S&S Cycle 66-78 BT Complete 74in Top End Replacement Kit

S&S Cycle is well-known for building high-performance engine components for Harley-Davidson motorcycles. If you're looking to rebuild the top end of your 74-inch Shovelhead engine, this complete replacement kit from S&S Cycle is designed to give you everything you need in one package. It's a comprehensive solution for restoring or enhancing the heart of your 1977 or 1978 Harley-Davidson FXS Low Rider.

This kit includes a set of S&S Super Stock® cylinder heads, which are a popular choice for their performance characteristics. You also get a pair of S&S® stock bore cylinders, specifically sized for the 74-inch engine displacement. For the pistons, S&S provides forged 8:1 compression pistons, complete with rings and wristpins, ready to be installed. To ensure a smooth assembly process, the kit also contains manifold clamps, manifold seals, all the necessary hardware, and gaskets. The included pistons are the S&S 106-5495 series, featuring a 331/32" stroke and designed to work with the o-ring style cylinder heads for a solid seal.

When undertaking a top-end rebuild, having all the correct components readily available can save a lot of time and hassle. This S&S Cycle kit aims to provide that convenience, ensuring that the critical parts for your engine's upper end are matched and ready to go. Please note that this kit is not CARB approved and cannot be shipped to California. Always refer to the manufacturer's installation instructions for specific details on assembly and any additional components you might need.