Revolution Big Bore Monster Cylinder Kit 124" NSC Granite Harley Twin Cam 99-17
Designer: Revolution Performance
- Unit Price
Free delivery to the Lower 48 States
30 Day Returns and Exchanges
Fitmet Questions? Call us at 610-754-8500
124" kit for 99-17 Twin Cam 4-1/4" bore 4-3/8" stroke 11.2:1cr (w/ 86cc heads); 10.4:1cr (w/ 95cc heads)
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
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 cylinders studs and head bolts recommended
Made in the U.S.A.
BORE SIZE 4.250"
STROKE LENGTH 4-3/8"