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DescriptionBig Bore Cylinder KitThe Big Bore kit yields excellent results with stock cylinder headsEasy installation: no need to bore or split exis...

DescriptionCylinder & Piston Kit for 106" Stroker Motor103" stock motors or motors with factory 95" kits require piston kit only; stock or S&am...

DescriptionCylinder & Piston Kit for 106" Stroker Motor103" stock motors or motors with factory 95" kits require piston kit only; stock or S&am...

DescriptionSuper Stock™ Cylinder HeadsHigh port flow gives great performance now, and more later when additional upgrades are doneHeads are fully a...

DescriptionSuper Stock™ Cylinder HeadsHigh port flow gives great performance now, and more later when additional upgrades are doneHeads are fully a...

DescriptionHeadbolt KitIncludes eight 3.374" headbolts and eight .100" washersFor use with S&S Twin Cam-style heads and custom applications tha...

DescriptionMagnetic Headbolt CoverSpecially designed for S&S headboltsNot for stock headboltsMagnets hold covers in place; no setscrews neededM...

DescriptionPrecision TappetsReduced valve train noise from start up to shut downClose tolerances for low leak down ratesFast pump up and superior h...

DescriptionPushrod Cover Keeper SetFor use in custom applications where stock keepers won't fit.Chromed steel finishSold in kits of four assemblies...

DescriptionRoller Rocker Arm Rebuild KitForged from 8620 steel, heat-treated then shot-peened for additional strength and durabilityRocker arms hav...

DescriptionValve GuideCast iron intake/exhaust guideFits S&S Super Stock and stock Harley-Davidson cylinder headsGuide ID measures approx.. .30...

DescriptionValve GuideCast iron intake/exhaust guideFits S&S Super Stock and stock Harley-Davidson cylinder headsGuide ID measures approx.. .30...

DescriptionValve Spring KitUnique S&S design dual-spring kit reduces the risk of valve floatFor valve lift to .585" with 1.800"/130 lb. install...

DescriptionSidewinder® .650" Valve Spring KitInclude springs, upper and lower collars and keysFor valve lift to .650" with 1.860"/178 lbs. installe...

DescriptionEasy Start Cam Kit for Twin CamStart any engine regardless of displacement or compression ratio with a stock starterSave your starter an...

Description583 Cam KitCamshaft gear drive Kits increase valve timing accuracy by eliminating timing chain lash and loosely-fit stock chain driveDet...

DescriptionEasy Start Cam Kit for Twin CamStart any engine regardless of displacement or compression ratio with a stock starterSave your starter an...

DescriptionEasy Start Cam Kit for Twin CamStart any engine regardless of displacement or compression ratio with a stock starterSave your starter an...

DescriptionEasy Start Cam Kit for Twin CamStart any engine regardless of displacement or compression ratio with a stock starterSave your starter an...

DescriptionEasy Start Cam Kit for Twin CamStart any engine regardless of displacement or compression ratio with a stock starterSave your starter an...

Description510 Cam KitCamshaft gear drive kits increase valve timing accuracy in Twin Cam engines by eliminating timing chain lash and loosely fit ...

Description625 Series Grind Cam KitGreat way to increase performance at an affordable priceQuick installation - reuse many stock componentsEasy Sta...

Description585 Cam KitStrongest from 3500-6000 rpm585C chain drive cams are designed for 88" to 107" engines with compression ratios from 10 to 10....

Description570 Cam KitCamshaft gear drive kits increase valve timing accuracy in Twin Cam engines by eliminating timing chain lash and loosely fit ...

DescriptionEasy Start Cam Kit for Twin CamStart any engine regardless of displacement or compression ratio with a stock starterSave your starter an...

DescriptionEasy Start Cam Kit for Twin CamStart any engine regardless of displacement or compression ratio with a stock starterSave your starter an...

DescriptionEasy Start Cam Kit for Twin CamStart any engine regardless of displacement or compression ratio with a stock starterSave your starter an...

DescriptionEasy Start Cam Kit for Twin CamStart any engine regardless of displacement or compression ratio with a stock starterSave your starter an...

DescriptionEasy Start Cam Kit for Twin CamStart any engine regardless of displacement or compression ratio with a stock starterSave your starter an...

DescriptionEasy Start Cam Kit for Twin CamStart any engine regardless of displacement or compression ratio with a stock starterSave your starter an...

DescriptionEasy Start Cam Kit for Twin CamStart any engine regardless of displacement or compression ratio with a stock starterSave your starter an...

DescriptionReplacement Flywheel AssemblyS&S 3-piece flywheels with integral main shafts are the strongest yet, made from 4140 steel and feature...

DescriptionEngine CaseReplacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI)Feature greater overall strength than stock cr...

DescriptionEngine CaseReplacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI)Feature greater overall strength than stock cr...

DescriptionEngine CaseReplacement Twin Cam "A" engine cases for stock H-D chassis only (carb and EFI)Feature greater overall strength than stock cr...

DescriptionPiston RingsReplacement rings come as sets for two pistonsMade in the U.S.A.Fits S&S Pistons onlyDetailsBore Size : 3,927"Piston Siz...