
SKU: BHM113SE. The CP Pistons high-performance piston kit is engineered for Harley-Davidson Twin Cam engines built to 113 cubic inches, delivering strong, reliable power for aggressive street and performance riding. Designed with a 4.060-inch bore, 4.375-inch stroke, and 7.667-inch connecting rod, this kit produces a 10.75:1 compression ratio for excellent throttle response and torque without sacrificing durability. Precision-forged from premium aluminum alloy and CNC-machined to exact tolerances, these pistons offer outstanding strength, thermal stability, and long-term reliability in demanding V-twin applications. Built to meet CP Pistons’ race-proven standards, this kit is ideal for serious Twin Cam performance builds.