Harley performance cylinder heads

Ost_Over 8,000 sets of heads shipped to satisfied customers since we started keeping computer records in 1987. Time proven. The page buttons at left will guide you through all the parts and or services we currently offer. Head work starts at $987.49 US per set as shown above with all new parts and labor.Buy S&S Performance Replacement Cylinder Head Kit for Harley Davidson 1984-99 Evo Big Twin engines - One Size: Cylinder Heads - Amazon.com FREE DELIVERY possible on eligible purchases An exceptionally rare set of brand NEW Screamin’ Eagle high performance HTCC heads, CNC ported, p/n 16925-02B. These were the heads in their day! A very high flowing head with a very unique combustion chamber to enhance the compression and burn rate. Intake valve is 2 in diameter, exhaust valve is 1.625′ in diameter. Screamin' Eagle®/Öhlins® Remote Reservoir Rear Shocks for Harley-Davidson Touring models were designed for Screamin' Eagle® Factory Team race bikes. Fully adjustable for preload and compression/rebound damping, with a remote reservoir for optimal performance and style. Use these shocks to dial in your ideal combination of handling and ride ... Designed in conjunction with the system-matched components of the Screamin’ Eagle Milwaukee-Eight Stage IV Performance Kit, these CNC-Ported Cylinder Heads have been meticulously machined to optimize air/fuel flow and velocity. Starting with a unique Screamin' Eagle cylinder head casting, the Screamin’ Eagle team has dedicated countless hours of computer simulation and flow bench testing ... S&S Cycle - 106-6064 - Performance Cylinder Heads for Evolution Big Twin Harley- (Fits: Harley-Davidson) Opens in a new window or tab Free Shipping - Easy Returns - Authorized Dealer - Fast $ 1,999.00 - $ 2,199.00 inc. GST Product Description Other Information Performance CNC Ported Cylinder Head Upgrade For Harley-Davidson Milwaukee-Eight Product No. #EMP-0083 Our performance CNC cylinder head upgrade service has been developed with our 120CI and 124CI pistons in mind.Our 124" High Output Pro Touring motors have produced 140+ hp/tq on pump gas touring bikes. This head will accept up to a 660 Lift Cam and Top Dead Center (TDC) Lifts of 215 on the Intake / 204 on the Exhaust. Valve depth can be modified to accept larger TDC lifts upon customer request. $1,277.46. *Price does not include NC Sales Tax or shipping.Our 124” High Output Pro Touring motors have produced 140+ hp/tq on pump gas touring bikes. This head will accept up to a 660 Lift Cam and Top Dead Center (TDC) Lifts of 215 on the Intake / 204 on the Exhaust. Valve depth can be modified to accept larger TDC lifts upon customer request. $1,277.46. *Price does not include NC Sales Tax or shipping. S&S Cycle Super Stock Cylinder Heads Black 8 offers from $1,241.72 S&,S Cycle Super Stock Cylinder Head Kit 90-1106 6 offers from $1,385.46 EV27 Cam Kit - EV CAM For 1984-1999 Harley Evolution Big Twin Models 291127 10 2 offers from $109.01 S&S Cycle 910-0651 Bolt-In Sidewinder 4in. Big Bore Kit - 110in. - Wrinkle Black 2 9 offers from $1,120.86The best factory heads for high performance are the 2003-Up Buell XB and 2004-Up XL1200 heads. These heads feature improved ports over any of the previous factory heads, with large 1.810" intake and 1.575" exhaust valves featuring lightweight 7mm stems and a beehive spring pack that can handle up to .550 lift (previous XL heads were only safe ... Head Services (Stock rebuilding to complete Pro Race heads) SuperStock (Focused on adding low-end and mid-range torque) Hybrid (Raised intake ports, maximum effort applied for power and torque) We perform head rebuilds and modifications on the following engine types: Select your make below to see options and prices. We are constantly developing ... With nearly 20 years of porting experience in a wide range of applications we can provide a cylinder head package for nearly any combination using our proven programs that have been developed on the flow bench, the dyno, and in real world testing for maximum performance and drive-ability.Proven to be a leader in Horsepower solutions for Harley Davidson engines, we provide custom performance upgrades for M8, Twin Cam, Evo and Sportster motors. We have been serving the Harley Davidson community for more than 20 years, bringing Harley owners exceptional performance solutions.Harley Davidson Motorcycle Cylinder Heads. Sorting. Show items: 30; 60; 90; Sort by. Biker's Choice® Rocker Box Set. 0 # sp147275. Rocker Box Set by Biker's Choice®. ... KPMI High Performance Cylinder studs are made from 180,000 psi yield strength, fine grain, heat treated, premium grade 8740 material. Threads are rolled after heat treating ...Since 1980 it's been my full-time effort to build more power into Harley-Davidsons. I started in house dynamometer testing in 1986 and cylinder head flow testing in 1987. For me, since "day one" it's been about engine related only, high-performance only, Harley-Davidsons only. S&S Cycle Wrinkle Black Super Stock 91cc Cylinder Heads For S&S T124 T2 Long Block Engines and 2006 HD Dyna Models and All 2007-'16 Models With S&S 124" Hot Set Up Kit - 900-3249 Part #: 1405188 Mfg Part #: 900-3249 Proven to be a leader in Horsepower solutions for Harley Davidson engines, we provide custom performance upgrades for M8, Twin Cam, Evo and Sportster motors. We have been serving the Harley Davidson community for more than 20 years, bringing Harley owners exceptional performance solutions. Since 1980 it's been my full-time effort to build more power into Harley-Davidsons. I started in house dynamometer testing in 1986 and cylinder head flow testing in 1987. For me, since "day one" it's been about engine related only, high-performance only, Harley-Davidsons only. Harley-Davidson cylinder heads need love, too, and T-Man Performance in Kernersville, North Carolina, offers different power and price points for all the popular V-twin configurations. For twin-cam, two-valve engines there is a good-better-best choice between the Street Performer, Pro Touring and Thumper series, respectively. savills hildenborough; boris brejcha radius chicago; wincc unified vs professional; free bible correspondence courses by mail for inmates; train cars for sale cheap Head Services (Stock rebuilding to complete Pro Race heads) SuperStock (Focused on adding low-end and mid-range torque) Hybrid (Raised intake ports, maximum effort applied for power and torque) We perform head rebuilds and modifications on the following engine types: Select your make below to see options and prices. We are constantly developing ... The best factory heads for high performance are the 2003-Up Buell XB and 2004-Up XL1200 heads. These heads feature improved ports over any of the previous factory heads, with large 1.810" intake and 1.575" exhaust valves featuring lightweight 7mm stems and a beehive spring pack that can handle up to .550 lift (previous XL heads were only safe ... S&S Cycle Polished Performance Replacement Low Compression 82cc Cylinder Heads - 106-4575 Part #: 1405176 Mfg Part #: 106-4575 $ ... At Dennis Kirk, you will find the best selection of Harley-Davidson Cylinder Heads. We carry more Harley-Davidson products than any other aftermarket vendor and have them all at the lowest guaranteed prices. Not ...A good 'street or pocket' port consists of improving the air flow around the valve seat and valve guide areas of the head. A good 5 angle valve job is performed, and the heads are ready to go on the bike. Heads reworked in this manner should see increased air flow over stock heads of 10-15%. That should be more than enough to create a 90 HP ... Since 1980 it's been my full-time effort to build more power into Harley-Davidsons. I started in house dynamometer testing in 1986 and cylinder head flow testing in 1987. For me, since "day one" it's been about engine related only, high-performance only, Harley-Davidsons only. A good 'street or pocket' port consists of improving the air flow around the valve seat and valve guide areas of the head. A good 5 angle valve job is performed, and the heads are ready to go on the bike. Heads reworked in this manner should see increased air flow over stock heads of 10-15%. That should be more than enough to create a 90 HP ... Makers of High- Performance Heads , Pistons, Cylinders , and Cams for Harley -Davidsons. DME camshafts are designed using three decades of Dyno testing, racing, touring, street ... *Dave Mackie Engineering high-performance headwork and camshafts are not legal in the state of California for use on 1978 and later emission-controlled vehicles. The best factory heads for high performance are the 2003-Up Buell XB and 2004-Up XL1200 heads. These heads feature improved ports over any of the previous factory heads, with large 1.810" intake and 1.575" exhaust valves featuring lightweight 7mm stems and a beehive spring pack that can handle up to .550 lift (previous XL heads were only safe ... Jun 02, 2013 · A set of '06 or later heads with about .050" milled and a .030" head gasket will boost compression up about 9.5 and you wouldn't want to go much more than 9.6 with those cams. Those cams, like most aftermarket cams, need more than stock compression to shine. The added compression will make a huge difference in performance. Dave Mackie Engineering - Custom Heads, Pistons and Cams for Harley-Davidsons DME camshafts are designed using three decades of Dyno testing, racing, touring, street rodding, and research with cams of all major manufacturers. Learn more! Proven to be a leader in Horsepower solutions for Harley Davidson engines, we provide custom performance upgrades for M8, Twin Cam, Evo and Sportster motors. We have been serving the Harley Davidson community for more than 20 years, bringing Harley owners exceptional performance solutions.Reggie Sr. is recognized by performance industry leaders as a top expert in engine performance theory specializing in port flow. With 100s of hours studying (and re-writing computer programs and code), 100s of hours flowbench testing, over 3,000 dyno runs, Reggie knows his stuff! Period!Feb 01, 2022 · Harley-Davidson cylinder heads need love, too, and T-Man Performance in Kernersville, North Carolina, offers different power and price points for all the popular V-twin configurations. For twin-cam, two-valve engines there is a good-better-best choice between the Street Performer, Pro Touring and Thumper series, respectively.. Our extensive line of American-made performance parts include our legendary Branch heads, cylinder head porting, and pistons; all designed to help you get the most out of your Harley Davidson. Branch was the only independent company to ever supply Harley Davidson ported and polished heads for the assembly line in Milwaukee and to this day we ... Harley-Davidson cylinder heads need love, too, and T-Man Performance in Kernersville, North Carolina, offers different power and price points for all the popular V-twin configurations. For twin-cam, two-valve engines there is a good-better-best choice between the Street Performer, Pro Touring and Thumper series, respectively. Finally, Stage 4 is all about making the heads flow more freely to be able to maximize the amount of air that flows through the engine. Use ported heads and upgraded carbs or throttle bodies to achieve this. Harley performance stages range in difficulty to install. From quick external parts swaps to more involved internal parts upgrades. With nearly 20 years of porting experience in a wide range of applications we can provide a cylinder head package for nearly any combination using our proven programs that have been developed on the flow bench, the dyno, and in real world testing for maximum performance and drive-ability. Cylinder Head Performance. A cylinder head is arguably the heart of a V-twin's performance. It controls the volume, speed and flow characteristics of the air/fuel mixture going into the engine cylinders. Hulten Speed Sports designs and ports v-twin heads, seats and grinds valves, valve guides & springs, and digitally tests each heads flow for ... A good 'street or pocket' port consists of improving the air flow around the valve seat and valve guide areas of the head. A good 5 angle valve job is performed, and the heads are ready to go on the bike. Heads reworked in this manner should see increased air flow over stock heads of 10-15%. That should be more than enough to create a 90 HP ... Feb 26, 2008 · The heads fit any bore size from 3.5 to 4.25 inches. The hemi combustion chamber and center location of the spark plug as well as less spark advance allow compression to increase from the stock 9:1 to over 11:1. Evo kits start at $2995, Twin Cam kits from $3099. 4 valve heads can dramatically increase engine breathing and with no other ... HD Street Performance Welcome to HD Street Performance, formerly Head Designs by Dewey We are dedicated to performing head porting and supplying engine packages for HD motorcycles. Our goal is to provide reliable, fun to ride, and cost effective parts matched to the riders' needs and budget.Heads are fully assembled with springs and valves, and are available in silver or wrinkle black powder-coat; Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; 79cc heads work great with stock motors for 88" to 103" motors; 1.940" intake and 1.575" exhaust valve and springs for up to .640" lift Using the latest CAD technology, we design and develop high flowing intake and exhaust ports for various Harley-Davidson™ cylinder heads. 5 Axis CNC Cylinder Head Porting Our 5-axis CNC cylinder head porting center uses computer control to accurately replicate our best porting designs. Cylinder Heads. We offer expert, professional, cylinder head work, and with and each and every head at our Stage II level and up, we flow check and modify as need be to establish our flow target numbers for your builds, prior to being installed or shipped to our clients. Call us at 315-495-6650 to learn more or schedule a service. Since 1980 it's been my full-time effort to build more power into Harley-Davidsons. I started in house dynamometer testing in 1986 and cylinder head flow testing in 1987. For me, since "day one" it's been about engine related only, high-performance only, Harley-Davidsons only. Our performance CNC cylinder head upgrade service has been developed with our 120CI and 124CI pistons in mind. We take your stock heads and turn them into the ultimate performance cylinder head for all H-D Milwaukee Eight models. S&S Cycle Polished Performance Replacement Low Compression 82cc Cylinder Heads - 106-4575 Part #: 1405176 Mfg Part #: 106-4575 $ ... At Dennis Kirk, you will find the best selection of Harley-Davidson Cylinder Heads. We carry more Harley-Davidson products than any other aftermarket vendor and have them all at the lowest guaranteed prices. Not ...Jun 02, 2013 · A set of '06 or later heads with about .050" milled and a .030" head gasket will boost compression up about 9.5 and you wouldn't want to go much more than 9.6 with those cams. Those cams, like most aftermarket cams, need more than stock compression to shine. The added compression will make a huge difference in performance. Makers of High-Performance Heads, Pistons, Cylinders, and Cams for Harley-Davidsons. DME camshafts are designed using three decades of Dyno testing, racing, touring, street rodding, and research with cams of all major manufacturers. 6655-A Amberton Drive Elkridge, MD 21075 (410) 579-2828. Monday - Friday 9AM to 6PM ESTharley davidson evo cylinder head packages The Revolution Performance EVO CNC Cylinder Head Packages were developed on the flow bench, dyno and street to increase power and torque on the EVO engines. These heads flow much better than stock, with our focus on port velocity we have created heads for better overall power and ride-ability. 6 How to Do Harley 103 Engine Performance Upgrades in a Less Expensive Way. 7 01. Consider increasing your Harley’s air intake. 8 02. Exhaust system upgrade. 9 03. Cylinders upgrade. 10 04. Electronic Control Module (ECU) upgrade or re-flash. HD Street Performance Welcome to HD Street Performance, formerly Head Designs by Dewey We are dedicated to performing head porting and supplying engine packages for HD motorcycles. Our goal is to provide reliable, fun to ride, and cost effective parts matched to the riders' needs and budget.The best factory heads for high performance are the 2003-Up Buell XB and 2004-Up XL1200 heads. These heads feature improved ports over any of the previous factory heads, with large 1.810" intake and 1.575" exhaust valves featuring lightweight 7mm stems and a beehive spring pack that can handle up to .550 lift (previous XL heads were only safe ... All Suburban Speed performance heads are dyno and flow bench tested to give you the most performance for your money. Heads flow 260cfm at .600 lift. Stock flow 216cfm at .600 lift. (Exchange) Price $899.95 Pricing and availability subject to change without notice. STAGE 1 TWIN COOLED PORTED HEADS Stage 1 ported heads Fits Twin Cooled Twin Cam Ward Performance - CNC Porting, Motorcycle Cylinder Heads (763) 441-5535 Ward Performance 24015 112th Street NW Zimmerman, MN 55398 This website uses cookies. North America’s Harley Performance Parts – Heads , Cylinders and more. EdelBrock Performer™ Cylinder Heads, Standard finish Fits Big Twins 1984-1991. EdelBrock Performer™ Cylinder Heads, Black painted finish Fits Big Twins 1984-1991. The Performer RPM™ are CNC-ported to provide superior flow for maximum horse and torque in 80-inch and larger engines. RPM heads come with high grade stainless steel swirl ... Harley-Davidson cylinder heads need love, too, and T-Man Performance in Kernersville, North Carolina, offers different power and price points for all the popular V-twin configurations. For twin-cam, two-valve engines there is a good-better-best choice between the Street Performer, Pro Touring and Thumper series, respectively. Proven to be a leader in Horsepower solutions for Harley Davidson engines, we provide custom performance upgrades for M8, Twin Cam, Evo and Sportster motors. We have been serving the Harley Davidson community for more than 20 years, bringing Harley owners exceptional performance solutions.Cylinder Heads. We offer expert, professional, cylinder head work, and with and each and every head at our Stage II level and up, we flow check and modify as need be to establish our flow target numbers for your builds, prior to being installed or shipped to our clients. Call us at 315-495-6650 to learn more or schedule a service. SUBURBAN SPEED Stage I M8 Ported Heads are a great entry level performance cylinder heads for 2017+ Milwaukee Eight. These heads utilize our patented superstock valve job with extensive bowl blending. We have increased the air flow and velocity 12% for great throttle response. The valve springs are also upgraded for a max lift of .560. Dave Mackie Engineering - Custom Heads, Pistons and Cams for Harley-Davidsons DME camshafts are designed using three decades of Dyno testing, racing, touring, street rodding, and research with cams of all major manufacturers. Learn more!Head Services (Stock rebuilding to complete Pro Race heads) SuperStock (Focused on adding low-end and mid-range torque) Hybrid (Raised intake ports, maximum effort applied for power and torque) We perform head rebuilds and modifications on the following engine types: Select your make below to see options and prices. We are constantly developing ... In 1990 Dave Mackie high-performance heads were on the Easyrider© Streamliner when it became the World's Fastest Motorcycle at 322+ MPH and it is still the World's fastest Harley-Davidson. Dave Mackie Engineering headwork was a key component in Bob "Rat" Taft's Harley-Davidson powered motorcycle when it became the world's "First 8-Second ...Zipper’s CNC Ported Twin Cam Harley Cylinder Heads. Stage 1.0- The Stage I head includes a Zipper’s Performance Valve Job (Seat and guide work) , 1.850” O.S. Valves, new guides and 7mm conical springs. The head gasket surface will be skim decked to assure a true/flat sealing surface. S&S Cycle Super Stock Cylinder Heads Black 8 offers from $1,241.72 S&,S Cycle Super Stock Cylinder Head Kit 90-1106 6 offers from $1,385.46 EV27 Cam Kit - EV CAM For 1984-1999 Harley Evolution Big Twin Models 291127 10 2 offers from $109.01 S&S Cycle 910-0651 Bolt-In Sidewinder 4in. Big Bore Kit - 110in. - Wrinkle Black 2 9 offers from $1,120.86Our Harley's M8 ported heads, getting ready for our propritary valve Job. These things will flow 360-375 CFM without increasing the cross sectional area of the port. That means high velocity (High cylinder fill) which equals TQ. We get 40-50 more CFM from the intake port over stock. (Flat TQ across the entire RPM range with the right cam and pipe). Proven to be a leader in Horsepower solutions for Harley Davidson engines, we provide custom performance upgrades for M8, Twin Cam, Evo and Sportster motors. We have been serving the Harley Davidson community for more than 20 years, bringing Harley owners exceptional performance solutions.Check out our latest bikes and all the great bikes we have in stock at www.hdcoolsprings.com or give our sales team a CALL TODAY at (615) 450-1642 Follow us... Ported heads from S&S Cycle can greatly improve your Harley's performance. www.denniskirk.com. 800-969-7501. Contact us: 800-969-7501; As low as 0% APR for 12 months with ... you will find the best selection of Harley-Davidson Cylinder Heads. We carry more Harley-Davidson products than any other aftermarket vendor and have them all at. Reggie Sr. is recognized by performance industry leaders as a top expert in engine performance theory specializing in port flow. With 100s of hours studying (and re-writing computer programs and code), 100s of hours flowbench testing, over 3,000 dyno runs, Reggie knows his stuff! Period!In 1990 Dave Mackie high-performance heads were on the Easyrider© Streamliner when it became the World's Fastest Motorcycle at 322+ MPH and it is still the World's fastest Harley-Davidson. Dave Mackie Engineering headwork was a key component in Bob "Rat" Taft's Harley-Davidson powered motorcycle when it became the world's "First 8-Second ...The head gasket surface is decked for flatness and your cam/compression requirements before final assembly. • Full CNC intake & exhaust port machining • Ductile iron step-lock valve guides • Competition seat work on Serdi equipment • 1.900" Int, 1.630" Exhaust stainless steel valves • Performance valve springs with Moly collarsScreamin' Eagle®/Öhlins® Remote Reservoir Rear Shocks for Harley-Davidson Touring models were designed for Screamin' Eagle® Factory Team race bikes. Fully adjustable for preload and compression/rebound damping, with a remote reservoir for optimal performance and style. Use these shocks to dial in your ideal combination of handling and ride ... HARLEY DAVIDSON EVO CYLINDER HEAD PACKAGES The Revolution Performance EVO CNC Cylinder Head Packages were developed on the flow bench, dyno and street to increase power and torque on the EVO engines. These heads flow much better than stock, with our focus on port velocity we have created heads for better overall power and ride-ability.Welcome to Short Block Charlies. As one of the premier Harley-Davidson machine shops in the U.S.A., Short Block Charlie’s specializes in performance head modifications and engine building. We are located in Tempe, Arizona, and have a summer facility in Montana. We are a Haas/Sunnen/Newen machine shop with the latest and most state-of-the-art ... In 1990 Dave Mackie high-performance heads were on the Easyrider© Streamliner when it became the World's Fastest Motorcycle at 322+ MPH and it is still the World's fastest Harley-Davidson. Dave Mackie Engineering headwork was a key component in Bob "Rat" Taft's Harley-Davidson powered motorcycle when it became the world's "First 8-Second ...S&S Cycle - 106-6064 - Performance Cylinder Heads for Evolution Big Twin Harley- (Fits: Harley-Davidson) Opens in a new window or tab Free Shipping - Easy Returns - Authorized Dealer - Fast S&S Cycle - 106-6064 - Performance Cylinder Heads for Evolution Big Twin Harley- (Fits: Harley-Davidson) Opens in a new window or tab Free Shipping - Easy Returns - Authorized Dealer - Fast EdelBrock Performer™ Cylinder Heads, Standard finish Fits Big Twins 1984-1991. EdelBrock Performer™ Cylinder Heads, Black painted finish Fits Big Twins 1984-1991. The Performer RPM™ are CNC-ported to provide superior flow for maximum horse and torque in 80-inch and larger engines. RPM heads come with high grade stainless steel swirl ... Cylinder Heads. We offer expert, professional, cylinder head work, and with and each and every head at our Stage II level and up, we flow check and modify as need be to establish our flow target numbers for your builds, prior to being installed or shipped to our clients. Call us at 315-495-6650 to learn more or schedule a service. Proven to be a leader in Horsepower solutions for Harley Davidson engines, we provide custom performance upgrades for M8, Twin Cam, Evo and Sportster motors. We have been serving the Harley Davidson community for more than 20 years, bringing Harley owners exceptional performance solutions.With nearly 20 years of porting experience in a wide range of applications we can provide a cylinder head package for nearly any combination using our proven programs that have been developed on the flow bench, the dyno, and in real world testing for maximum performance and drive-ability.Feb 01, 2022 · Harley-Davidson cylinder heads need love, too, and T-Man Performance in Kernersville, North Carolina, offers different power and price points for all the popular V-twin configurations. For twin-cam, two-valve engines there is a good-better-best choice between the Street Performer, Pro Touring and Thumper series, respectively. S&S Cycle - 106-6064 - Performance Cylinder Heads for Evolution Big Twin Harley- (Fits: Harley-Davidson) Opens in a new window or tab Free Shipping - Easy Returns - Authorized Dealer - Fast With nearly 20 years of porting experience in a wide range of applications we can provide a cylinder head package for nearly any combination using our proven programs that have been developed on the flow bench, the dyno, and in real world testing for maximum performance and drive-ability. Cylinder Heads. We offer expert, professional, cylinder head work, and with and each and every head at our Stage II level and up, we flow check and modify as need be to establish our flow target numbers for your builds, prior to being installed or shipped to our clients. Call us at 315-495-6650 to learn more or schedule a service. All Suburban Speed performance heads are dyno and flow bench tested to give you the most performance for your money. Heads flow 260cfm at .600 lift. Stock flow 216cfm at .600 lift. (Exchange) Price $899.95 Pricing and availability subject to change without notice. STAGE 1 TWIN COOLED PORTED HEADS Stage 1 ported heads Fits Twin Cooled Twin Cam HD Street Performance Welcome to HD Street Performance, formerly Head Designs by Dewey We are dedicated to performing head porting and supplying engine packages for HD motorcycles. Our goal is to provide reliable, fun to ride, and cost effective parts matched to the riders' needs and budget.Welcome to Short Block Charlies. As one of the premier Harley-Davidson machine shops in the U.S.A., Short Block Charlie’s specializes in performance head modifications and engine building. We are located in Tempe, Arizona, and have a summer facility in Montana. We are a Haas/Sunnen/Newen machine shop with the latest and most state-of-the-art ... Sep 01, 2017 · The B2 comes CNC ported with plenty of room to enlarge for big cubes. The valve size is 2.200˝ on the intake and 1.800˝ on the exhaust. The intake seats will allow 2.300˝ diameter valves to be cut in with valve to valve still adequate for the big cam grinds. It will support bore sizes from 4.125˝ to 4.500˝. Jun 02, 2013 · A set of '06 or later heads with about .050" milled and a .030" head gasket will boost compression up about 9.5 and you wouldn't want to go much more than 9.6 with those cams. Those cams, like most aftermarket cams, need more than stock compression to shine. The added compression will make a huge difference in performance. Designed in conjunction with the system-matched components of the Screamin’ Eagle Milwaukee-Eight Stage IV Performance Kit, these CNC-Ported Cylinder Heads have been meticulously machined to optimize air/fuel flow and velocity. Starting with a unique Screamin' Eagle cylinder head casting, the Screamin’ Eagle team has dedicated countless hours of computer simulation and flow bench testing ... harley davidson evo cylinder head packages The Revolution Performance EVO CNC Cylinder Head Packages were developed on the flow bench, dyno and street to increase power and torque on the EVO engines. These heads flow much better than stock, with our focus on port velocity we have created heads for better overall power and ride-ability. Buy S&S Performance Replacement Cylinder Head Kit for Harley Davidson 1984-99 Evo Big Twin engines - One Size: Cylinder Heads - Amazon.com FREE DELIVERY possible on eligible purchases An exceptionally rare set of brand NEW Screamin’ Eagle high performance HTCC heads, CNC ported, p/n 16925-02B. These were the heads in their day! A very high flowing head with a very unique combustion chamber to enhance the compression and burn rate. Intake valve is 2 in diameter, exhaust valve is 1.625′ in diameter. Feb 01, 2022 · Harley-Davidson cylinder heads need love, too, and T-Man Performance in Kernersville, North Carolina, offers different power and price points for all the popular V-twin configurations. For twin-cam, two-valve engines there is a good-better-best choice between the Street Performer, Pro Touring and Thumper series, respectively.. Finally, Stage 4 is all about making the heads flow more freely to be able to maximize the amount of air that flows through the engine. Use ported heads and upgraded carbs or throttle bodies to achieve this. Harley performance stages range in difficulty to install. From quick external parts swaps to more involved internal parts upgrades. Chambers are CCd and up to a .060 head cut will be made to adjust and equalize compression. Stock springs are retained. Street Pro 110 heads include full specification sheets which include airflow test results. Cost $599 Optional .650 lift AV&V Beehive Valve Springs $100 PRO STREET $699-$799 Purpose S&S Cycle Super Stock Cylinder Heads Black 8 offers from $1,241.72 S&,S Cycle Super Stock Cylinder Head Kit 90-1106 6 offers from $1,385.46 EV27 Cam Kit - EV CAM For 1984-1999 Harley Evolution Big Twin Models 291127 10 2 offers from $109.01 S&S Cycle 910-0651 Bolt-In Sidewinder 4in. Big Bore Kit - 110in. - Wrinkle Black 2 9 offers from $1,120.86The head gasket surface is decked for flatness and your cam/compression requirements before final assembly. • Full CNC intake & exhaust port machining • Ductile iron step-lock valve guides • Competition seat work on Serdi equipment • 1.900" Int, 1.630" Exhaust stainless steel valves • Performance valve springs with Moly collarsWard Performance - CNC Porting, Motorcycle Cylinder Heads (763) 441-5535 Ward Performance 24015 112th Street NW Zimmerman, MN 55398 This website uses cookies. North America’s Harley Performance Parts – Heads , Cylinders and more. SUBURBAN SPEED Stage I M8 Ported Heads are a great entry level performance cylinder heads for 2017+ Milwaukee Eight. These heads utilize our patented superstock valve job with extensive bowl blending. We have increased the air flow and velocity 12% for great throttle response. The valve springs are also upgraded for a max lift of .560. Our performance CNC cylinder head upgrade service has been developed with our 120CI and 124CI pistons in mind. We take your stock heads and turn them into the ultimate performance cylinder head for all H-D Milwaukee Eight models. Our CNC Porting and Complete CNC Head Packages include oversize valves and performance valve springs designed to work hand-in-hand with our big bore kits, or for standard bore applications. Revolution Performance also offers a complete line of CNC maintenance services such as seat and guide replacement and CNC Valve Jobs. CHOOSE YOUR MODEL BELOWWelcome to Short Block Charlies. As one of the premier Harley-Davidson machine shops in the U.S.A., Short Block Charlie’s specializes in performance head modifications and engine building. We are located in Tempe, Arizona, and have a summer facility in Montana. We are a Haas/Sunnen/Newen machine shop with the latest and most state-of-the-art ... Dan Vance Racing has been providing performance options for Harley Davidson motorcycles for over 40 years. His extensive experience in drag racing, street mods, dyno tuning, cylinder head porting & building big inch motors has provided him with the know-how to customize your Harley engine mods in all RPM ranges according to the way you like to ride. S&S Cycle Polished Performance Replacement Low Compression 82cc Cylinder Heads - 106-4575 Part #: 1405176 Mfg Part #: 106-4575 $ ... At Dennis Kirk, you will find the best selection of Harley-Davidson Cylinder Heads. We carry more Harley-Davidson products than any other aftermarket vendor and have them all at the lowest guaranteed prices. Not ...Our extensive line of American-made performance parts include our legendary Branch heads, cylinder head porting, and pistons; all designed to help you get the most out of your Harley Davidson. Branch was the only independent company to ever supply Harley Davidson ported and polished heads for the assembly line in Milwaukee and to this day we ...Welcome to Short Block Charlies. As one of the premier Harley-Davidson machine shops in the U.S.A., Short Block Charlie’s specializes in performance head modifications and engine building. We are located in Tempe, Arizona, and have a summer facility in Montana. We are a Haas/Sunnen/Newen machine shop with the latest and most state-of-the-art ... Welcome to Short Block Charlies. As one of the premier Harley-Davidson machine shops in the U.S.A., Short Block Charlie’s specializes in performance head modifications and engine building. We are located in Tempe, Arizona, and have a summer facility in Montana. We are a Haas/Sunnen/Newen machine shop with the latest and most state-of-the-art ... 6 How to Do Harley 103 Engine Performance Upgrades in a Less Expensive Way. 7 01. Consider increasing your Harley’s air intake. 8 02. Exhaust system upgrade. 9 03. Cylinders upgrade. 10 04. Electronic Control Module (ECU) upgrade or re-flash. Welcome to Short Block Charlies. As one of the premier Harley-Davidson machine shops in the U.S.A., Short Block Charlie’s specializes in performance head modifications and engine building. We are located in Tempe, Arizona, and have a summer facility in Montana. We are a Haas/Sunnen/Newen machine shop with the latest and most state-of-the-art ... Heads are fully assembled with springs and valves, and are available in silver or wrinkle black powder-coat; Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; 79cc heads work great with stock motors for 88" to 103" motors; 1.940" intake and 1.575" exhaust valve and springs for up to .640" lift With nearly 20 years of porting experience in a wide range of applications we can provide a cylinder head package for nearly any combination using our proven programs that have been developed on the flow bench, the dyno, and in real world testing for maximum performance and drive-ability.Dan Vance Racing has been providing performance options for Harley Davidson motorcycles for over 40 years. His extensive experience in drag racing, street mods, dyno tuning, cylinder head porting & building big inch motors has provided him with the know-how to customize your Harley engine mods in all RPM ranges according to the way you like to ride. Reggie Sr. is recognized by performance industry leaders as a top expert in engine performance theory specializing in port flow. With 100s of hours studying (and re-writing computer programs and code), 100s of hours flowbench testing, over 3,000 dyno runs, Reggie knows his stuff! Period!All Suburban Speed performance heads are dyno and flow bench tested to give you the most performance for your money. Heads flow 260cfm at .600 lift. Stock flow 216cfm at .600 lift. (Exchange) Price $899.95 Pricing and availability subject to change without notice. STAGE 1 TWIN COOLED PORTED HEADS Stage 1 ported heads Fits Twin Cooled Twin Cam Heads are fully assembled with springs and valves, and are available in silver or wrinkle black powder-coat; Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; 79cc heads work great with stock motors for 88" to 103" motors; 1.940" intake and 1.575" exhaust valve and springs for up to .640" lift Heads are fully assembled with springs and valves, and are available in silver or wrinkle black powder-coat; Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; 79cc heads work great with stock motors for 88" to 103" motors; 1.940" intake and 1.575" exhaust valve and springs for up to .640" lift Sep 01, 2017 · The B2 comes CNC ported with plenty of room to enlarge for big cubes. The valve size is 2.200˝ on the intake and 1.800˝ on the exhaust. The intake seats will allow 2.300˝ diameter valves to be cut in with valve to valve still adequate for the big cam grinds. It will support bore sizes from 4.125˝ to 4.500˝. SUBURBAN SPEED Stage I M8 Ported Heads are a great entry level performance cylinder heads for 2017+ Milwaukee Eight. These heads utilize our patented superstock valve job with extensive bowl blending. We have increased the air flow and velocity 12% for great throttle response. The valve springs are also upgraded for a max lift of .560. Over 8,000 sets of heads shipped to satisfied customers since we started keeping computer records in 1987. Time proven. The page buttons at left will guide you through all the parts and or services we currently offer. Head work starts at $987.49 US per set as shown above with all new parts and labor.Head Services (Stock rebuilding to complete Pro Race heads) SuperStock (Focused on adding low-end and mid-range torque) Hybrid (Raised intake ports, maximum effort applied for power and torque) We perform head rebuilds and modifications on the following engine types: Select your make below to see options and prices. We are constantly developing ... 6 offers from $1,385.46. S&S Performance Replacement Cylinder Head Kit for Harley Davidson 1984-99 Evo Big Twin engines - One Size. 5.0 out of 5 stars. 3. 7 offers from $1,101.83. S&S Cycle 4" Bolt in Sidewinder Big Bore Cylinder and Piston Kit Wrinkle Black 910-0646. 4.8 out of 5 stars. 7. 8 offers from $1,149.98. Cylinder Head Performance. A cylinder head is arguably the heart of a V-twin's performance. It controls the volume, speed and flow characteristics of the air/fuel mixture going into the engine cylinders. Hulten Speed Sports designs and ports v-twin heads, seats and grinds valves, valve guides & springs, and digitally tests each heads flow for ... The Harley Davidson® is a wonderful motorcycle. Ported heads from S&S Cycle can greatly improve your Harley's performance . www.denniskirk.com. 800-969-7501. Contact us: 800-969-7501; As low as 0% APR for 12 months with ... you will find the best selection of Harley-Davidson Cylinder Heads . Our 124" High Output Pro Touring motors have produced 140+ hp/tq on pump gas touring bikes. This head will accept up to a 660 Lift Cam and Top Dead Center (TDC) Lifts of 215 on the Intake / 204 on the Exhaust. Valve depth can be modified to accept larger TDC lifts upon customer request. $1,277.46. *Price does not include NC Sales Tax or shipping.6655-A Amberton Drive Elkridge, MD 21075 (410) 579-2828. Monday - Friday 9AM to 6PM ESTThe best factory heads for high performance are the 2003-Up Buell XB and 2004-Up XL1200 heads. These heads feature improved ports over any of the previous factory heads, with large 1.810" intake and 1.575" exhaust valves featuring lightweight 7mm stems and a beehive spring pack that can handle up to .550 lift (previous XL heads were only safe ... savills hildenborough; boris brejcha radius chicago; wincc unified vs professional; free bible correspondence courses by mail for inmates; train cars for sale cheap Stock springs are retained. Street Pro 110 heads include full specification sheets which include airflow test results. Cost $599 Optional .650 lift AV&V Beehive Valve Springs $100. PRO STREET $699-$799. Purpose We created the Pro Street package to provide a maximum street performance package. Airflow is maximized for high performance street builds. In 1990 Dave Mackie high-performance heads were on the Easyrider© Streamliner when it became the World's Fastest Motorcycle at 322+ MPH and it is still the World's fastest Harley-Davidson. Dave Mackie Engineering headwork was a key component in Bob "Rat" Taft's Harley-Davidson powered motorcycle when it became the world's "First 8-Second ...Jun 07, 2020 · Increase your torque 35% and your horsepower by 42% with the Edelbrock® package of Performer™ and Performer RPM™ aluminum cylinder heads and intake manifolds. . 72cc combustion chamber increases the compression ratio from 8.5:1 to 9.5:1. Working within the existing RPM range of the stock engine (idle to 5500 rpm). We offer numerous services to repair, update or modify H-D cylinder heads. Whether you're looking to restore that old Panhead or install tulip valves and high flow guides in your Twin Cam, we have it covered. Among our valve train services you can learn about our guide hole restoration, no-lead conversions, modifications for larger valves and ...All Suburban Speed performance heads are dyno and flow bench tested to give you the most performance for your money. Heads flow 260cfm at .600 lift. Stock flow 216cfm at .600 lift. (Exchange) Price $899.95 Pricing and availability subject to change without notice. STAGE 1 TWIN COOLED PORTED HEADS Stage 1 ported heads Fits Twin Cooled Twin Cam Head Services (Stock rebuilding to complete Pro Race heads) SuperStock (Focused on adding low-end and mid-range torque) Hybrid (Raised intake ports, maximum effort applied for power and torque) We perform head rebuilds and modifications on the following engine types: Select your make below to see options and prices. We are constantly developing ... Check out our latest bikes and all the great bikes we have in stock at www.hdcoolsprings.com or give our sales team a CALL TODAY at (615) 450-1642 Follow us... With nearly 20 years of porting experience in a wide range of applications we can provide a cylinder head package for nearly any combination using our proven programs that have been developed on the flow bench, the dyno, and in real world testing for maximum performance and drive-ability. Our 124” High Output Pro Touring motors have produced 140+ hp/tq on pump gas touring bikes. This head will accept up to a 660 Lift Cam and Top Dead Center (TDC) Lifts of 215 on the Intake / 204 on the Exhaust. Valve depth can be modified to accept larger TDC lifts upon customer request. $1,277.46. *Price does not include NC Sales Tax or shipping. savills hildenborough; boris brejcha radius chicago; wincc unified vs professional; free bible correspondence courses by mail for inmates; train cars for sale cheap harley davidson evo cylinder head packages The Revolution Performance EVO CNC Cylinder Head Packages were developed on the flow bench, dyno and street to increase power and torque on the EVO engines. These heads flow much better than stock, with our focus on port velocity we have created heads for better overall power and ride-ability. Over 8,000 sets of heads shipped to satisfied customers since we started keeping computer records in 1987. Time proven. The page buttons at left will guide you through all the parts and or services we currently offer. Head work starts at $987.49 US per set as shown above with all new parts and labor.S&S Cycle - 106-6064 - Performance Cylinder Heads for Evolution Big Twin Harley- (Fits: Harley-Davidson) Opens in a new window or tab Free Shipping - Easy Returns - Authorized Dealer - Fast We offer numerous services to repair, update or modify H-D cylinder heads. Whether you're looking to restore that old Panhead or install tulip valves and high flow guides in your Twin Cam, we have it covered. Among our valve train services you can learn about our guide hole restoration, no-lead conversions, modifications for larger valves and ...The Harley Davidson® is a wonderful motorcycle. Ported heads from S&S Cycle can greatly improve your Harley's performance . www.denniskirk.com. 800-969-7501. Contact us: 800-969-7501; As low as 0% APR for 12 months with ... you will find the best selection of Harley-Davidson Cylinder Heads . Jun 07, 2020 · Increase your torque 35% and your horsepower by 42% with the Edelbrock® package of Performer™ and Performer RPM™ aluminum cylinder heads and intake manifolds. . 72cc combustion chamber increases the compression ratio from 8.5:1 to 9.5:1. Working within the existing RPM range of the stock engine (idle to 5500 rpm). EdelBrock Performer™ Cylinder Heads, Standard finish Fits Big Twins 1984-1991. EdelBrock Performer™ Cylinder Heads, Black painted finish Fits Big Twins 1984-1991. The Performer RPM™ are CNC-ported to provide superior flow for maximum horse and torque in 80-inch and larger engines. RPM heads come with high grade stainless steel swirl ... Designed in conjunction with the system-matched components of the Screamin’ Eagle Milwaukee-Eight Stage IV Performance Kit, these CNC-Ported Cylinder Heads have been meticulously machined to optimize air/fuel flow and velocity. Starting with a unique Screamin' Eagle cylinder head casting, the Screamin’ Eagle team has dedicated countless hours of computer simulation and flow bench testing ... harley davidson evo cylinder head packages The Revolution Performance EVO CNC Cylinder Head Packages were developed on the flow bench, dyno and street to increase power and torque on the EVO engines. These heads flow much better than stock, with our focus on port velocity we have created heads for better overall power and ride-ability. We offer numerous services to repair, update or modify H-D cylinder heads. Whether you're looking to restore that old Panhead or install tulip valves and high flow guides in your Twin Cam, we have it covered. Among our valve train services you can learn about our guide hole restoration, no-lead conversions, modifications for larger valves and ...Makers of High- Performance Heads , Pistons, Cylinders , and Cams for Harley -Davidsons. DME camshafts are designed using three decades of Dyno testing, racing, touring, street ... *Dave Mackie Engineering high-performance headwork and camshafts are not legal in the state of California for use on 1978 and later emission-controlled vehicles. Home - Frankenstein Engine Dynamics. (888) 774-8802. FED Cylinder Heads. Porting Services. Billet Intake Manifolds. Accessories. Welcome to Short Block Charlies. As one of the premier Harley-Davidson machine shops in the U.S.A., Short Block Charlie’s specializes in performance head modifications and engine building. We are located in Tempe, Arizona, and have a summer facility in Montana. We are a Haas/Sunnen/Newen machine shop with the latest and most state-of-the-art ... Our performance CNC cylinder head upgrade service has been developed with our 120CI and 124CI pistons in mind. We take your stock heads and turn them into the ultimate performance cylinder head for all H-D Milwaukee Eight models. Our 124” High Output Pro Touring motors have produced 140+ hp/tq on pump gas touring bikes. This head will accept up to a 660 Lift Cam and Top Dead Center (TDC) Lifts of 215 on the Intake / 204 on the Exhaust. Valve depth can be modified to accept larger TDC lifts upon customer request. $1,277.46. *Price does not include NC Sales Tax or shipping. 6 How to Do Harley 103 Engine Performance Upgrades in a Less Expensive Way. 7 01. Consider increasing your Harley’s air intake. 8 02. Exhaust system upgrade. 9 03. Cylinders upgrade. 10 04. Electronic Control Module (ECU) upgrade or re-flash. Our Harley's M8 ported heads, getting ready for our propritary valve Job. These things will flow 360-375 CFM without increasing the cross sectional area of the port. That means high velocity (High cylinder fill) which equals TQ. We get 40-50 more CFM from the intake port over stock. (Flat TQ across the entire RPM range with the right cam and pipe). Ward Performance - CNC Porting, Motorcycle Cylinder Heads (763) 441-5535 Ward Performance 24015 112th Street NW Zimmerman, MN 55398 This website uses cookies.Twin Cam Cylinder Heads Twin Cam - Street - $900, for 95" - 103" engines CVN intake ports add velocity and CFM, blend the exhaust port and you have a set of cylinder heads that will make horsepower and lots of torque. We add 1.900" intake valves, ovate wire valve springs that will support 0.610" lift cams.The best factory heads for high performance are the 2003-Up Buell XB and 2004-Up XL1200 heads. These heads feature improved ports over any of the previous factory heads, with large 1.810" intake and 1.575" exhaust valves featuring lightweight 7mm stems and a beehive spring pack that can handle up to .550 lift (previous XL heads were only safe ... Check out our latest bikes and all the great bikes we have in stock at www.hdcoolsprings.com or give our sales team a CALL TODAY at (615) 450-1642 Follow us... Our CNC Porting and Complete CNC Head Packages include oversize valves and performance valve springs designed to work hand-in-hand with our big bore kits, or for standard bore applications. Revolution Performance also offers a complete line of CNC maintenance services such as seat and guide replacement and CNC Valve Jobs. CHOOSE YOUR MODEL BELOW6 How to Do Harley 103 Engine Performance Upgrades in a Less Expensive Way. 7 01. Consider increasing your Harley’s air intake. 8 02. Exhaust system upgrade. 9 03. Cylinders upgrade. 10 04. Electronic Control Module (ECU) upgrade or re-flash. harley davidson evo cylinder head packages The Revolution Performance EVO CNC Cylinder Head Packages were developed on the flow bench, dyno and street to increase power and torque on the EVO engines. These heads flow much better than stock, with our focus on port velocity we have created heads for better overall power and ride-ability. 6 offers from $1,385.46. S&S Performance Replacement Cylinder Head Kit for Harley Davidson 1984-99 Evo Big Twin engines - One Size. 5.0 out of 5 stars. 3. 7 offers from $1,101.83. S&S Cycle 4" Bolt in Sidewinder Big Bore Cylinder and Piston Kit Wrinkle Black 910-0646. 4.8 out of 5 stars. 7. 8 offers from $1,149.98. Feb 01, 2022 · Harley-Davidson cylinder heads need love, too, and T-Man Performance in Kernersville, North Carolina, offers different power and price points for all the popular V-twin configurations. For twin-cam, two-valve engines there is a good-better-best choice between the Street Performer, Pro Touring and Thumper series, respectively. Home - Frankenstein Engine Dynamics. (888) 774-8802. FED Cylinder Heads. Porting Services. Billet Intake Manifolds. Accessories. Finally, Stage 4 is all about making the heads flow more freely to be able to maximize the amount of air that flows through the engine. Use ported heads and upgraded carbs or throttle bodies to achieve this. Harley performance stages range in difficulty to install. From quick external parts swaps to more involved internal parts upgrades. Sep 01, 2017 · The B2 comes CNC ported with plenty of room to enlarge for big cubes. The valve size is 2.200˝ on the intake and 1.800˝ on the exhaust. The intake seats will allow 2.300˝ diameter valves to be cut in with valve to valve still adequate for the big cam grinds. It will support bore sizes from 4.125˝ to 4.500˝. Zipper’s CNC Ported Twin Cam Harley Cylinder Heads. Stage 1.0- The Stage I head includes a Zipper’s Performance Valve Job (Seat and guide work) , 1.850” O.S. Valves, new guides and 7mm conical springs. The head gasket surface will be skim decked to assure a true/flat sealing surface. CNC Head Porting . With our state-of-the-art Centroid 5-axis Porting Center utilizing the Centroid DP7 probe, we are able to develop our own engineered port designs with digital precision and repeatable, Dynojet-proven performance. Whether it is a H-D 88ci, new Milwaukee8, Victory or Indian MC cylinder head, our R&D team can mill your heads and deliver real, seat of the pants performance gains ...Feb 01, 2022 · Harley-Davidson cylinder heads need love, too, and T-Man Performance in Kernersville, North Carolina, offers different power and price points for all the popular V-twin configurations. For twin-cam, two-valve engines there is a good-better-best choice between the Street Performer, Pro Touring and Thumper series, respectively. A good 'street or pocket' port consists of improving the air flow around the valve seat and valve guide areas of the head. A good 5 angle valve job is performed, and the heads are ready to go on the bike. Heads reworked in this manner should see increased air flow over stock heads of 10-15%. That should be more than enough to create a 90 HP ... S&S Cycle - 106-6064 - Performance Cylinder Heads for Evolution Big Twin Harley- (Fits: Harley-Davidson) Opens in a new window or tab Free Shipping - Easy Returns - Authorized Dealer - Fast Dan Vance Racing has been providing performance options for Harley Davidson motorcycles for over 40 years. His extensive experience in drag racing, street mods, dyno tuning, cylinder head porting & building big inch motors has provided him with the know-how to customize your Harley engine mods in all RPM ranges according to the way you like to ride. An exceptionally rare set of brand NEW Screamin’ Eagle high performance HTCC heads, CNC ported, p/n 16925-02B. These were the heads in their day! A very high flowing head with a very unique combustion chamber to enhance the compression and burn rate. Intake valve is 2 in diameter, exhaust valve is 1.625′ in diameter. Makers of High-Performance Heads, Pistons, Cylinders, and Cams for Harley-Davidsons. DME camshafts are designed using three decades of Dyno testing, racing, touring, street rodding, and research with cams of all major manufacturers. Our Harley's M8 ported heads, getting ready for our propritary valve Job. These things will flow 360-375 CFM without increasing the cross sectional area of the port. That means high velocity (High cylinder fill) which equals TQ. We get 40-50 more CFM from the intake port over stock. (Flat TQ across the entire RPM range with the right cam and pipe). Buy S&S Performance Replacement Cylinder Head Kit for Harley Davidson 1984-99 Evo Big Twin engines - One Size: Cylinder Heads - Amazon.com FREE DELIVERY possible on eligible purchases Our 124" High Output Pro Touring motors have produced 140+ hp/tq on pump gas touring bikes. This head will accept up to a 660 Lift Cam and Top Dead Center (TDC) Lifts of 215 on the Intake / 204 on the Exhaust. Valve depth can be modified to accept larger TDC lifts upon customer request. $1,277.46. *Price does not include NC Sales Tax or shipping.With nearly 20 years of porting experience in a wide range of applications we can provide a cylinder head package for nearly any combination using our proven programs that have been developed on the flow bench, the dyno, and in real world testing for maximum performance and drive-ability. Check out our latest bikes and all the great bikes we have in stock at www.hdcoolsprings.com or give our sales team a CALL TODAY at (615) 450-1642 Follow us... Finally, Stage 4 is all about making the heads flow more freely to be able to maximize the amount of air that flows through the engine. Use ported heads and upgraded carbs or throttle bodies to achieve this. Harley performance stages range in difficulty to install. From quick external parts swaps to more involved internal parts upgrades. Buy S&S Performance Replacement Cylinder Head Kit for Harley Davidson 1984-99 Evo Big Twin engines - One Size: Cylinder Heads - Amazon.com FREE DELIVERY possible on eligible purchases The Harley Davidson® is a wonderful motorcycle. Ported heads from S&S Cycle can greatly improve your Harley's performance . www.denniskirk.com. 800-969-7501. Contact us: 800-969-7501; As low as 0% APR for 12 months with ... you will find the best selection of Harley-Davidson Cylinder Heads . Our 124” High Output Pro Touring motors have produced 140+ hp/tq on pump gas touring bikes. This head will accept up to a 660 Lift Cam and Top Dead Center (TDC) Lifts of 215 on the Intake / 204 on the Exhaust. Valve depth can be modified to accept larger TDC lifts upon customer request. $1,277.46. *Price does not include NC Sales Tax or shipping. We offer numerous services to repair, update or modify H-D cylinder heads. Whether you're looking to restore that old Panhead or install tulip valves and high flow guides in your Twin Cam, we have it covered. Among our valve train services you can learn about our guide hole restoration, no-lead conversions, modifications for larger valves and ...S&S Cycle - 106-6064 - Performance Cylinder Heads for Evolution Big Twin Harley- (Fits: Harley-Davidson) Opens in a new window or tab Free Shipping - Easy Returns - Authorized Dealer - Fast Feb 26, 2008 · The heads fit any bore size from 3.5 to 4.25 inches. The hemi combustion chamber and center location of the spark plug as well as less spark advance allow compression to increase from the stock 9:1 to over 11:1. Evo kits start at $2995, Twin Cam kits from $3099. 4 valve heads can dramatically increase engine breathing and with no other ... Our 124” High Output Pro Touring motors have produced 140+ hp/tq on pump gas touring bikes. This head will accept up to a 660 Lift Cam and Top Dead Center (TDC) Lifts of 215 on the Intake / 204 on the Exhaust. Valve depth can be modified to accept larger TDC lifts upon customer request. $1,277.46. *Price does not include NC Sales Tax or shipping. Our CNC Porting and Complete CNC Head Packages include oversize valves and performance valve springs designed to work hand-in-hand with our big bore kits, or for standard bore applications. Revolution Performance also offers a complete line of CNC maintenance services such as seat and guide replacement and CNC Valve Jobs. CHOOSE YOUR MODEL BELOWFeb 01, 2022 · Harley-Davidson cylinder heads need love, too, and T-Man Performance in Kernersville, North Carolina, offers different power and price points for all the popular V-twin configurations. For twin-cam, two-valve engines there is a good-better-best choice between the Street Performer, Pro Touring and Thumper series, respectively.. Feb 01, 2022 · Harley-Davidson cylinder heads need love, too, and T-Man Performance in Kernersville, North Carolina, offers different power and price points for all the popular V-twin configurations. For twin-cam, two-valve engines there is a good-better-best choice between the Street Performer, Pro Touring and Thumper series, respectively. Heads are fully assembled with springs and valves, and are available in silver or wrinkle black powder-coat; Compression ratios vary depending on cylinder heads chosen, pistons used and engine displacement; 79cc heads work great with stock motors for 88" to 103" motors; 1.940" intake and 1.575" exhaust valve and springs for up to .640" lift CNC Head Porting . With our state-of-the-art Centroid 5-axis Porting Center utilizing the Centroid DP7 probe, we are able to develop our own engineered port designs with digital precision and repeatable, Dynojet-proven performance. Whether it is a H-D 88ci, new Milwaukee8, Victory or Indian MC cylinder head, our R&D team can mill your heads and deliver real, seat of the pants performance gains ...