YFZ450 YFZ 450 Big Bore Kit 98 mil Cylinder 14:1 Hi Comp RACE GAS Piston Top Kit
FITS ALL YAMAHA YFZ450 CARB MODELS AND YEARS
- 98mm after-market cylinder
- 14:1 hi comp CP forged piston
- Hi-temp piston rings
- Wristpin
- Circlips
- Head stud kit
- Top-end gasket kit
- Timing chain
This is a bolt-on kit that requires no machining of any kind. Runs on race gas. All parts are new in the original packaging, and the original manufacturers' warranties apply*.