Revolution Performance RP201-213W 85″ Evolution Bolt-On Big Bore Kit 84-00 Big Twin

$1,189.00
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Width:
12.00 (in)
Height:
12.00 (in)
Depth:
12.00 (in)
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Revolution Performance RP201-213W 85″ Evolution Big Twin Bolt-On Big Bore Kit w/Flat-Top Pistons Natural Finish 84-00

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 1984-2000 Evolution Big Twin 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.

Color/Finish: Natural

Bore Size: 3 9/16″

Displacement: 85″

Stroke Length: 4 1/4″

Compression Ratio: 9:1 with stock heads (86 cc) and 9.25:1 with Revolution Performance CNC head work (84 cc)

Piston: +3.7 cc Flat-Top

 

Harley-Davidson