WSM Piston Kit - Polaris 300 - +.50 mm 50-310-05PK Stella SMX-1R V2 Boots durable and abrasion-resistance microfiber Air

durable and abrasion-resistance microfiber Air ventilation details on lateral quarter with mesh openings for breathability

950-975 watts power use (per pair)

designed specifically for downhill riding Features 22 openings for maximum airflow and ventilation

The exhaust's oval shape with clear and unique lines gives the silencer a unique compact profile

WSM Piston Kit - Polaris 300 - +.50 mm 50-310-05PK Stella SMX-1R V2 Boots durable and abrasion-resistance microfiber AirQuality 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