1250 XL/Sportster Bolt-On Big Bore Kit – Black

SKU: 201-406W

$1,343.95

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 1991-2019 XL/Sportster 1200 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 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.

2 in stock

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SKU: 201-406W Categories: , ,

Description

Color/Finish: Black

Bore Size: 3.5625″

Displacement: 1250cc

Stroke Length: 3 13/16″

Compression Ratio: 11:1

Piston: +5 cc Dome