1220cc, Domed – 020in. Oversize to 3.457in. Forged from high-silicon aluminum alloy for maximum strength and dependability. Innovative forging design and piston skirt provide maximum horsepower and torque. Wiseco High-Performance piston kits are priced with piston, rings, pins and circlips (unless noted otherwise). Oversize pistons require cylinder sleeving. Please note some of our listings use […]