Pre-Evo

Description4-Speed Mainshaft ComponentSold individually, unless noted.DetailsStyle : Close RatioProduct Name : Gear SetUnits : SetFirst Gear Ratio ...

DescriptionHigh-Lift Valve Spring KitAccommodates cam lifts of .550"+Installation does not require machining of headsKit includes four inner and fo...

Description5-Speed Mainshaft ComponentSold individually, unless noted.DetailsProduct Name : GearType : Main DriveTooth Count : 32Units : EachMateri...

DescriptionEV51 CamThese hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve floatEasy installationWorks with stock ...

DescriptionGrind CamThese hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve floatMade in the U.S.A.Longer exhaust ...

DescriptionEV7 CamThese hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve floatExcellent in the 2800-6500 rpm rang...

DescriptionEV59 CamThese hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve floatDesigned for modified 80" to 88" m...

DescriptionGrind CamThese hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve floatMade in the U.S.A.Designed for mi...

Description4-Speed CountershaftSold individually, unless noted.DetailsUnits : EachType : TransmissionProduct Name : CountershaftStyle : 4-SpeedFitm...

Description4-Speed Mainshaft ComponentSold individually, unless noted.DetailsProduct Name : GearStyle : Standard RatioUnits : EachThird Gear Ratio ...

Description4-Speed Mainshaft ComponentSold individually, unless noted.DetailsType : First GearFirst Gear Ratio : 2.60:1Units : SetProduct Name : Ge...

Description4-Speed Mainshaft ComponentSold individually, unless noted.DetailsFirst Gear Ratio : 2.44:1Type : First GearUnits : SetProduct Name : Ge...

Description4-Speed Mainshaft ComponentSold individually, unless noted.DetailsType : Third GearThird Gear Ratio : 1.35:1Units : SetStyle : Close Rat...

DescriptionEV72 CamThese hydraulic lifter cams are capable of 6000-plus rpm with stock springs and no valve floatFor use with Andrews springs and t...

Description4-Speed Gear SetGears are made from high-nickel alloy steel, heat-treated and shot-peened to give maximum durability and strengthMade in...

Description4-Speed Gear SetGears are made from high-nickel alloy steel, heat-treated and shot-peened to give maximum durability and strengthMade in...

DescriptionAdjustable PushrodsAndrews completely adjustable pushrods easily replace the nonadjustable stock pushrods on Evolution enginesRocker box...

Description4-Speed MainshaftSold individually, unless noted.DetailsStyle : 4-SpeedType : TransmissionProduct Name : MainshaftUnits : EachFitmentHar...

DescriptionValve Spring Upper CollarsProvide .050" more spring travel than stockStronger and lighter than stockUse stock keepersMade in the U.S.A.D...

DescriptionCam Drive GearHigh-quality heat-treated gearsMade in the U.S.A.DetailsProduct Name : Drive GearSize : Undersize (-0,003")Diameter : 2,73...

DescriptionCam Drive GearHigh-quality heat-treated gearsMade in the U.S.A.DetailsSize : StandardProduct Name : Drive GearType : CamshaftDiameter : ...

DescriptionCam Drive GearHigh-quality heat-treated gearsMade in the U.S.A.DetailsUnits : EachProduct Name : Drive GearDiameter : 2,7324"Size : Unde...

DescriptionHigh-Lift Upper Spring CollarsCams with .600 lift can easily be accommodated when used with high-lift springsMade from T-6 aluminum, col...

DescriptionLow-Compression CamDesigned with a combination of shorter durations and higher lifts to offer the advantages of a broad torque output th...