WSM Piston Kit - Yamaha - +.50 mm 50-520-05PK Impeller Shaft Nut Replacement chin vent for Alpinestars

Replacement chin vent for Alpinestars Supertech M8 and Supertech M10 helmets

Now the flashing of the ECU is common place

50-State emissions compliant

1989-2001 Suzuki RM 80 - -

WSM Piston Kit - Yamaha - +.50 mm 50-520-05PK Impeller Shaft Nut Replacement chin vent for AlpinestarsQuality 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