JE Pistons Yamaha YZ450F Pro Series 3 Ring 12:80:1 97MM Bore Piston Kit

This JE Pistons Pro Series Piston Kit includes the piston, rings, wrist pin, and clips needed to rebuild the top end of your Yamaha YZ450F, WR450F, or YZ450FX. Designed for performance, this kit features a 97mm bore and a 12.80:1 compression ratio, giving your engine a noticeable boost in power. The 3-ring design helps ensure a good seal for efficient combustion and improved durability.

JE Pistons is known for well-built components, and this Pro Series kit is no exception. The piston is forged for strength, which is crucial for handling the increased pressures from the higher compression ratio. This means you can expect reliable performance whether you're on the track or the trail. The kit is designed as a direct replacement, making installation straightforward for someone familiar with engine work.

Please note that this kit is not CARB approved and cannot be shipped to California. Ensure you check manufacturer fitment data to confirm compatibility with your specific model and year before purchasing.