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Upgrade your Big Twin motorcycle engine with the S&S Cycle 3-7/16 inch bore cylinder and stroker piston kit, designed for optimal performance and durability. This comprehensive kit is suitable for building 84", 86", or 88" stroker engines or replacing cylinders and pistons in existing S&S® stock bore stroker setups. It provides versatile compatibility with engines featuring 4-1/2", 4-5/8", or 4-3/4" stroke flywheels, making it an adaptable solution for various custom builds and rebuilds.
The kit includes high-quality components such as 3.4375" bore high tensile cast iron cylinders, and forged pistons with rings and wristpins, ensuring strength and longevity under demanding riding conditions. Also included are essential gaskets and fasteners, such as head gaskets, S&S stainless steel head bolts with washers, base nuts, and base gaskets, simplifying installation and ensuring a secure fit. Made in the U.S.A., this kit guarantees premium craftsmanship and reliability.
Designed to enhance engine power and efficiency, the kit offers different compression ratios: 8.4:1 for the 84" build, 9.4:1 for 86", and 10.8:1 for 88" configurations. Whether you're customizing a new build or restoring an existing motor, this kit provides the components needed to achieve a high-performance, long-lasting engine setup. Its precision engineering and quality materials make it a dependable choice for motorcycle enthusiasts and professional mechanics alike.
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