Description
S&S Cycle Sidewinder Big Bore Cylinder/Piston Kit: 79-84 Harley-Davidson Big Twin Models - 3-5/8" - 91-9001
Fitment: 79-84 Harley-Davidson Big Twin models
Installing this 3-5/8" big bore kit will increase the displacement of stock 80" Harley-Davidson shovelhead engines to 88" using the stock 4-1/4" flywheels. This may also be used to build an 88" engine in 74" shovelheads if a 4-1/4" stroke flywheel assemble is also installed. The kit includes S&S 3-5/8" bore cylinders, 3-5/8" bore forged pistons with rings and wristpins, S&S stainless steel head bolts, base nuts, head gaskets, base gaskets, exhcaust gaskets, and instructions. Compression is 7.5:1. The cylinders are stock length so stock length pushrods and manifold may be used.
Features:
- Cylinder and piston kit can be used to build an 88" engine, or to replace the cylinders and piston in an engine with an existing S&S stock bore stroker kit
- Includes 3-5/8" bore high tensile cast iron cylinders, forged pistons with rings and wristpins, head gaskets, stainless steel head bolts with washers, base nuts and base gaskets
- 88", 7.5:1 compression
- Made in the U.S.A.
WARNING: This product can expose you to chemicals including arsenic, which is known to the State of California to cause cancer. For more information, go to www.P65Warnings.ca.gov.
