128″ Milwaukee 8 Bolt-On Big Bore Kit w/Flat-Top Pistons – Black

From: Revolution Performance
SKU: 201-608W


Experience the easiest and most reliable way to boost your engine’s power and torque with Revolution Performance bolt-on big bore kits. No need for modifications, these kits are designed for effortless installation.
– Fits 2017-current Milwaukee 8 motorcycles
– 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
– 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.

Backorders available.

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SKU: 201-608W Categories: , ,


Color/Finish: Black
Bore Size: 4.250″
Displacement: 128″
Stroke Length: 4 1/2″
Compression Ratio: 11.3:1 with stock heads (86 cc)
Piston: -4 cc Flat Top