WSM Piston Kit - Honda 400 - +.75 mm 50-230-06K XR-SR Multi-Function Electronic Speedometer Alpinestars exclusive vulcanized rubber cup

Alpinestars exclusive vulcanized rubber cup outsole provides excellent fit and support

Pista GP RR

the power gains come from the Cobra PowerPort

Moose hubs are made from forged 6061 T6 aluminum with a high-quality anodized finish that doesn't fade

WSM Piston Kit - Honda 400 - +.75 mm 50-230-06K XR-SR Multi-Function Electronic Speedometer Alpinestars exclusive vulcanized rubber cupQuality 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