PISTON KIT .50MM YAM 660

Complete Piston Kit

• Quality and construction that meets or exceeds OEM
• Feature improved E-clip design
• Contain piston, rings, pin and clips
• Additional rings available separately
• Order one per cylinder
• Skirts have a nonabrasive, expansion-retarding MOS2 coating to reduce heat and friction for added power and longevity
• MOS2 coating actually draws heat through piston walls and out the bottom
• Specially hardened tops add strength to ring grooves