WSM Piston Kit - Polaris 300 - +.50 mm 50-310-05PK Stella SMX-1R V2 Boots The Flash Tune long awaited

The Flash Tune long awaited PUSH/PULL type sensor is now available

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

This system comes standard with a quiet insert that reduces sound (this can be removed to increase performance)

950-975 watts power use (per pair)

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 The Flash Tune long awaitedQuality 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