S&S Cycle 93" Sidewinder Big Bore Stroker Engine Performance Kit (Part 91-9126)

93" Sidewinder® Big Bore Stroker Engine Performance Kit Upgrade your Harley-Davidson with the S&S Cycle 93" Sidewinder Big Bore Stroker Kit, designed to enhance the performance of stock 74" or 80" Shovelhead engines. This comprehensive kit includes nearly everything needed for a significant power increase, making it an ideal choice for riders seeking increased displacement and torque. The kit features high tensile, cast iron sidewinder cylinders with a 3.625-inch bore, paired with forged pistons, wrist pins, and rings to ensure durability and reliable operation. With a 4.5-inch or 4.625-inch stroke, the kit provides a substantial boost in engine displacement, allowing for improved acceleration and overall performance. The dynamically balanced S&S flywheel assembly includes heavy-duty connecting rods and mainshafts, optimized for high performance and longevity. Additionally, the kit provides stainless steel head bolts, base nut, and various gaskets, including head, base, and exhaust gaskets, ensuring a secure and sealed assembly. An S&S heavy-duty top motor mount is also included to support the increased power output. Made in the U.S.A., this kit offers quality construction and reliable performance, making it a popular choice for motorcycle enthusiasts looking to upgrade their engine for more power and responsiveness. Installation of this kit can significantly improve your Harley's performance, providing a custom, high-performance riding experience that is both durable and reliable. Features: High tensile cast iron sidewinder cylinders with 3.625-inch bore for increased engine displacementForged pistons with wrist pins and rings designed for durability and performance4.5-inch or 4.625-inch stroke to boost engine powerDynamically balanced S&S flywheel assembly with heavy-duty connecting rods and mainshaftsIncludes stainless steel head bolts, base nut, and comprehensive gaskets for secure sealingHeavy-duty top motor mount for added stability during high-performance ridingMade in the U.S.A. with quality materials for reliable performance