Engine

Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (.0005")...

Manufactured from high-strength, T-5 heat-treated, 390 hypereutectic aluminum alloyAllows a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (.0005")...

PISTN KT TRKR EVO DM .020TRACKER™? SERIES PISTON KITSForged piston crown with generous valve pockets for big valves and camsPrecision-fit rings selected for each application for ultimate sealingForce-fed pin oiling provides enhanced lubrication of the...

PISTN KT TRKR EVO FLT.030TRACKER™? SERIES PISTON KITSForged piston crown with generous valve pockets for big valves and camsPrecision-fit rings selected for each application for ultimate sealingForce-fed pin oiling provides enhanced lubrication of the...

Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (.0005")...

Heavy-duty steel cam bearing plate is recommended for use with all gear-drive cams and is included in S&S complete gear-drive cam kitsMade in the U.S.A.

Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (.0005")...

Manufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloyAllow a tighter fit and longer piston and ring lifeDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (.0005")...

Made in the U.S.A.

Made in the U.S.A.

Tests have proven that the machinability, wear and thermal conductivity surpasses all standardsCompatible with all fuel blendsMade in the U.S.A.

Precision-machined guidesManganese bronze guide material is softer than nickel aluminum bronze valve guidesExcellent heat conductivity which promotes long valve lifeGuides can be easily reamed with a battery-operated or electric drill and finished with a...