Engine

Features & Benefits:- * Bore = 4.134" * Stroke = 2.835" * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from ...

Features & Benefits:- * ID # 3666 * Bore = 3.937" * Stroke = 2.835" * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * ...

Features & Benefits:- * ID # 2456 * Bore = 3.937" * Stroke = 2.835" * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * ...

Features & Benefits:- * ID # 2621 * Bore = 3.937" * Stroke = 2.835" * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * ...

Features & Benefits:- * Bore = 4.134" * Stroke = 2.953" * Fully CNC machined * Balanced to +/- 1 gram * Double forced pin oilers * Forged from ...

* ID # 1774 * Wire Lock (cir clip). .866" pin bore dia. X .063" thickness * Sold each - two required per cylinder/piston - four per bike

Features & Benefits:- * Feuling Oversized 0.0015" Race Series Lifters. * Oversized Diameter. (0.8435 - 0.844) Race Series full travel hydraulic...

Features & Benefits:- * Feuling Oversized 0.0010" Race Series Lifters. * Oversized Diameter. (0.843 - 0.8435) Race Series full travel hydraulic...

New revolutionary design with 0.115" of total travel vs. a full travel lifter with 0.200". These hydraulic lifters will increase camshaflt lift and...

Features & Benefits:- * Race Series hydraulic roller lifters * Made from cold headed 1018 steel with a heat treated hardened surface * Inner pi...

Features & Benefits:- * Use in cast iron or aluminum tappet blocks. * Produced from billet bearing steel. * Increases roller life. * exact cam...

Features & Benefits:- * Tappet Adjusting Screws fits OHV Big Twins 1936-1984 * Sold as a Pack (4). * Replaces OEM # 18555-36 Tech Tips:- * Wil...

Features & Benefits:- * Reduced valve train noise from start up to shut down. * Close tolerances for low leak down rates - fast pump up & s...

Features & Benefits:- * Sold As a set of 4. * Replaces OEM # 17920-53A

Features & Benefits:- * Sold Each. * Replaces OEM # 17920-53A Proudly Made in the USA by S&S Cycle !

Features & Benefits:- * Precesion machined tappets complete with premium hydraulic units Proudly made in the USA by S&S Cycle!

Features & Benefits:- * Run in cast iron or aluminum tappet blocks * Produced from billet bearing steel * A true center-line for roller life an...

* These tappets will run in cast iron or aluminum tappet blocks * Recommend fitting the tappets to the blocks with a clearance of .0007" to .0012" ...

Features & Benefits:- * Sold as a Pack (4) * Replaces OEM # 18570-38 Made in the U.S.A.

* Replaces OEM # 18534-29B * Made in the U.S.A.

* Made from 52100 bearing material * Includes 4340 chromoly axle * Made in the U.S.A. Tech Tips:- * Sold Each, typically 4 Required per Bike. * Cau...

* Standard solid rollers are designed around three working parts * The outer wheel/roller has a 27% greater wall size – less harmonic distortion fo...

Features & Benefits:- * Feuling Evo Race Series Lifters are machined from a steel body and are designed with precision tolerances and a slower ...

Features & Benefits:- * Performance hydraulic roller lifters * Optimized oil flow to top end - valves, springs, rockers, shafts & valve gui...

Features & Benefits:- * Performance hydraulic roller lifters - Set of 4 * Optimized oil flow to top end - valves, springs, rockers, shafts &...

Features & Benefits:- * Fits Big Twin 1984-1999 & Sportster 1986-1990. * Replacement hydraulic tappets. * HL2T Kit Not included. * Sold as ...

Features & Benefits:- * Will Not Fit XR1200 * Wrinkle Black Finish. * Big Bore Kit Increase 883cc Engines to 1200cc. * Whether you’re racing Ho...

* All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface buildup of .0002. Th...

Note: Maximum Recommended Lift = .600" * Chromium-Silicon (CrSi) valve springs are high-tensile, durable steel alloys designed for high-performance...

Note: Maximum Recommended Lift = .600" * Chromium-Silicon (CrSi) valve springs are high-tensile, durable steel alloys designed for high-performance...

In an effort to develop valve seats that would meet our exacting standards, KPMI® tested and chemically separated several iron based valve seats. E...

In an effort to develop valve seats that would meet our exacting standards, KPMI® tested and chemically separated several iron based valve seats. E...

Kit Includes: * A Full Set of KPMI Stainless Steel Black Diamond Valves (Stock Head Diameter) * All KPMI Black Diamond Stainless steel valves are i...

Kit Includes: * A Full Set of KPMI Stainless Steel Black Diamond Valves (Stock Head Diameter) * All KPMI Black Diamond Stainless steel valves are i...

* All KPMI Black Diamond Stainless steel valves are impregnated by a special German process to a depth of .002, with a surface buildup of .0002. Th...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

Cast Iron: After chemically separating several samples of cast iron material , analysis and evaluating the test data, we decided to have our own sp...

KPMI Red 100% Viton valve stem seals are designed to have optimum fitment, allow , maximum lift, and to give maximum life. KPMI® Red valve stem sea...

KPMI Red 100% Viton valve stem seals are designed to have optimum fitment, allow , maximum lift, and to give maximum life. KPMI Red valve stem seal...

* Save time money when purchasing this kit * One package, everything you need for a cylinder head overhaul * Double your service life over OEM usin...

* Save time money when purchasing this kit * One package, everything you need for a cylinder head overhaul * Double your service life over OEM usin...

* Save time money when purchasing this kit * One package, everything you need for a cylinder head overhaul * Double your service life over OEM usin...