Pre-Evo – Engine & Gaskets

DescriptionFlywheel AssemblyPerfect for gear drive camshaftsConsistent balance and precision machiningBalance gear is installed for easy installati...

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

DescriptionFlywheel AssemblyPerfect for gear drive camshaftsConsistent balance and precision machiningBalance gear is installed for easy installati...

Description0.650" Sidewinder® Valve Spring KitInclude springs, upper and lower collars and keysFor valve lift to .650" with 1.860" /178 lbs. instal...

DescriptionRocker Arm Guardian KitRocker Arm shafts, Rocker Arm Stud Kit, Head Bolt Kit and Performance Roller Rocker Arms are included in this kit...

DescriptionAdjustable Pushrod Cover Kit with Chrome CoversKit includes four S&S adjustable pushrods, four pushrod covers and O-ringsPushrods ar...

DescriptionTappet Guide Kit for 36-47 Big Twin and S&S KN enginesCast ironMounting hardware and gasket includedSpecifications Size: Standard ...

DescriptionRoller Rocker ArmsDesigned usng Finite Element Analysis (FEA) and forged from 8620 steel for strengthEliminate thrusting on valves for d...

DescriptionPushrod Set Adjustable for 1999-'16 HD Big Twins, 124" Engines with 5.013" Length Cylinders0,4375" diameter chromoly steel for maximum s...

DescriptionQuickee Pushrod Kit with Chrome CoversKit includes four S&S Quickee pushrods, four pushrod covers and O-ringsPushrods are manufactur...

Description89 cc Super Stock® Cylinder HeadsHeads are fully assembled with springs and valves Designed for '06-'16 engines with stock crankcaseGood...

DescriptionPushrod Cover Kit for 99-17 Twin CamFit 88", 95", 96" and 103" with stock cylinder lengthsInclude top and bottom cover, cover cap, cover...

DescriptionQuickee Pushrod Kit with Chrome CoversKit includes four S&S Quickee pushrods, four pushrod covers and O-ringsPushrods are manufactur...

Description79 cc Super Stock® Cylinder HeadsHeads are fully assembled with springs and valvesDesigned for stock 88" to 103" engines or slightly mod...

DescriptionTappet Cuffs Lifter GuideBillet aluminium construction with hard anodised black coatingEasy upgrade when changing tappets or doing a cam...

DescriptionPushrod TubesStylish black pushrod tubes enhance the look of your engineGreat match for the black engine covers offered on some new HD m...

DescriptionQuickee Pushrod Kit with Gloss Black CoversKit includes four S&S Quickee pushrods, four pushrod covers and O-ringsPushrods are manuf...

DescriptionTappet CuffsHard anodised black coating for maximum wear resistanceBillet aluminium constructionStronger material eliminates distortionI...

Description89 cc Super Stock® Cylinder HeadsHeads are fully assembled with springs and valves Designed for '06-'16 engines with stock crankcaseGood...

Description79 cc Super Stock® Cylinder HeadsHeads are fully assembled with springs and valvesDesigned for stock 88" to 103" engines or slightly mod...

DescriptionExhaust Port StudFour required per engine, sold eachZinc-plated5/16"-18, 5/16"-24 1.910"Made in the U.S.A.Specifications Colour/Finish:...

DescriptionValve Spring Shim.574" x 1.450" x .030"Black, steel constructionMade in the USASpecifications Colour/Finish: Black Material: Steel Pr...

DescriptionBig Bore Cylinder KitBig Bore kit yields excellent results with stock cylinder headsEasy installation no need to bore or split existing ...

DescriptionBig Bore Cylinder KitBig Bore kit yields excellent results with stock cylinder headsEasy installation no need to bore or split existing ...