S&S Cycle 74″ Top End Kit For Harley Shovelhead 1966-1978

Maybe you need more power from your 883. Maybe you’re a handy type who realized he could buy an 883 and a big-bore kit cheaper than he could buy a 1200 Sportster. Whatever the reason you’re contemplating enlarging your engine, know that S&S has got you covered with a high-quality kit that makes the job a snap.

The High-Compression 136 and 132 Big-Bore Kits enhance motorcycle performance significantly, providing increased torque and horsepower alongside a more aggressive throttle response. These kits represent the largest bolt-on options available and function seamlessly with standard crankcases, avoiding the need for machining and maintaining original engine serial numbers. The factory-matching powder coat finish contributes to a sleek appearance while ensuring simple installation through retaining the factory engine height. Each kit includes gaskets to facilitate the upgrade process. Designed for those looking to unlock additional performance and power, the 136 and 132 Big-Bore Kits deliver a thrilling riding experience.