Cylinder Kit - 139" - Black - M8
Aerospace-grade all-aluminum cylinder with nickel-silicon-carbide (NSC) electroplated bore
NSC-plated cylinders have less friction for increased horsepower, lower engine temperatures and a longer lifespan
Includes 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 set
Replacement gasket sets available separately
Upgraded cylinders studs and head bolts recommended
Made in the USA
Monster big bore kit requires case boring.
No sleeving allows for larger bore sizes.