Features: Forged 4-stroke piston is designed for each specific engine application and built to the tightest tolerances for the ultimate combination of performance and strength. Dedicated forgings allow for optimized strength-to-weight ratio. Ideal for multiple purpose riding. Kit includes piston, wrist pin, rings and circlips. Kit Includes: • 1x Piston • 1x Ring Set #3150XG • 1x Wrist Pin #S520 • 1x Circlip Set #CW20.