Fits 2017-2023 Milwaukee 8 motorcycles with Gen I engine
– Aerospace-grade all-aluminum cylinder with Nickel-Silicon-Carbide (NSC) electroplated bore
– No sleeving allows for larger bore sizes
– NSC-plated cylinders have less friction for increased horsepower, lower engine temperatures and a longer lifespan
– Monster big bore kits will require case boring. Additional upgraded services recommended.
– Includes pair of all-aluminum NSC-coated bore cylinders, custom-forged pistons with high-tension rings specifically designed for SNC cylinders and a head/base gasket set
– Replacement gasket sets available separately
– Upgraded cylinder studs and head bolts recommended
– Made in the U.S.A.
Color/Finish: Black with Highlighted Fins Bore Size: 4.500″ Displacement: 139″ Stroke Length: 4 3/8″ Compression Ratio: 11.2:1 with 88 cc heads
