92″ Evolution Big Twin Bolt-On Big Bore Kit – Black Highlight

SKU: 201-220W


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 1984-1999 Evolution Big Twin motorcycles with 4 5/8″ stroke crankshaft

– 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 NSC 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.

4 in stock

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SKU: 201-220W Categories: , ,


Color/Finish: Black with Highlighted Fins

Bore Size: 3 9/16″

Displacement: 92″

Stroke Length: 4 5/8″

Compression Ratio: 10.3:1 with stock heads (86 cc)

Piston: +5 cc Dome