1200cc conversion to 1250cc Nikasil big bore kit includes 10.5:1 forged pistons, pins, clips, rings, Silver cylinders and Cometic head and base gasket kit. Turn your 1200cc Harley Davidson Sportster into a big bore 1250cc machine. This is an easy way to bolt on an increase in horsepower. Kit uses 10.5:1 compression ratio pistons so you can reuse your stock cylinder heads and still run on pump gas. All parts are machined on CNC machinery for precision. These are high quality parts and require no machining to the cases or other modifications – bolt on and go! We inspect all parts before they are shipped to ensure that they are correct.
- 1250cc Bolt-on big bore kit
- For use with XLH 1200 heads. NO CASE BORING required.
- 10.5:1 forged pistons, pins, clips, rings
- 3 9⁄16 inch bore millennium technologies Revolution SILVER finish cylinders
- Cylinder and piston kits come complete with one piece, all aerospace grade aluminum nickel-silicon carbide plated bore cylinders, complete forged piston kit and cometic head and base gasket kit!
- This top end set will create more horsepower and engine life due to their cooler running temperature
- This is the best high performance top end set available
- Buell models and Harley Davidson evolution Sportster 1986 – 2013
- THIS IS A SPECIAL ORDER ITEM PLEASE ALLOW 3 TO 6 WEEKS DELIVERY