Complete 883cc conversion to 1200cc big bore kit includes Natural cylinders honed and fitted with 9.5:1 Sifton pistons and rings and complete top end gasket kit. This is an easy way to bolt on an increase in horsepower. Kit uses Sifton reverse dome 9.5:1 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.
- XL883 to 1200cc Bolt-on big bore kit.
- No head work is required
- 9.5:1 reverse dome Sifton pistons, rings, pins and lock rings
- Complete American Made high performance top end gasket kit
- Sifton Cylinders are in natural finish
- This kit is intended to be used with 883cc heads
- Fits Harley Davidson Sportster 1986 – 1990
Ready to install drop on kit can be installed with basic hand tools and a shop manual.
For Maximum street performance from this kit, add a V8 cam set our part number CA110