Description
Aerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated boreNSC-plated cylinders have less friction for increased horsepower, lower engine temperatures and a longer lifespanIncludes pair of all-aluminum NSC-coated bore cylinders, custom-forged pistons with high-tension rings specifically designed for NSC cylinders and a head/base gasket setReplacement gasket sets available separatelyUpgraded cylinders studs and head bolts recommendedMade in the USAMonster big bore kit requires case boring.No sleeving allows for larger bore sizes.SpecsDisplacement139″Bore Size4.500″Color/FinishBlackProduct NameCylinder KitRiding StyleStreetColor/FinishHighlighted FinsStroke Length4-3/8″UnitsKit
