Wiseco W4785M09500B - W4785M09500B - Wiseco Piston Kit - Gas Gas EC450F 2013-14, Yamaha YZF4

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. Fits Nikasil bore cylinder. Kit Includes: • 1x Piston • 1x Ring Set #3741XS • 1x Wrist Pin #S600 • 1x Circlip Set #CW18.