With black wrinkle finish cylinders. Kit that converts the 883 Sportster to 1200 in combination with the stock 883 heads. S&S reports a whopping 80% horsepower increase, up to 85HP, with S&S intake & exhaust. More than just a regular big bore kit. Consists of a complete of piston kits with cylinders, a bolt-in 482 camshaft set for unrestricted breathing and a high performance hydraulic lifter set. Fine-tuned components to bring out the best in real world performance & reliability. No re-balancing required.
