REVOLUTION PERFORMANCE, LLC Cylinder Kit - 139" - Black - 107" M8 RP201-613W

Cylinder Kit - 139" - Black - 107" 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, Made in the USA, Will require case boring, which is not recommended on OEM cases '95 and earlier; some kits will require a 4.625" stroke crank as noted.