106-3491A 124" 4-1/8" bore forged piston kit. Std

This standard size forged piston kit from S&S Cycle is engineered for high-performance 124-inch engines with a 4-1/8 inch bore. The kit is sold as a set and includes forged pistons, wrist pins, clips, and high-tension piston rings, providing everything needed for a top-end overhaul. S&S uses advanced forging techniques to ensure these pistons can handle the increased thermal and mechanical stresses of large-displacement Harley-Davidson engines. Whether you are refreshing an Evo or Twin Cam based Super Sidewinder Plus engine, these components offer the durability and precision tolerances required for professional engine building and long-term reliability on the road.