Manufactured by Namura Namura FORGED Series piston Kit Includes piston, rings, pin, clips (you get exactly what is pictured) Unique Features: Namura Forged Pistons offer dyno-proven gains in performance and durability over industry standard 4032 forged pistons. Namura's exclusive forged alloy used offers lower expansion rates, allowing for tighter build tolerances and superior tensile strength at operating temperatures. All Namura Forged pistons come with Namura's signature features: 100% CNC-machine piston domes, hard anodized domes for reduced carbon build-up and heat resistance and M0S2 coated skirts for excellent break-in protection and properties. Kit is for standard bore size - 97.00mm Size C piston is 96.97mm 12.5:1 Compression Ratio Made in Taiwan Fits: - 2014 YZ450F
- 2015 YZ450F
- 2016 WR450F
- 2016 YZ450F
- 2016 YZ450FX
- 2017 WR450F
- 2017 YZ450F
- 2017 YZ450FX
- 2018 WR450F
- 2018 YZ450F
- 2018 YZ450FX
- 2019 WR450F
- 2019 YZ450F
- 2019 YZ450FX
- 2020 YZ450FX