WSM Piston Kit - Polaris 300 - +.50 mm 50-310-05PK Stella SMX-1R V2 Boots Stretch fabric construction for low

Stretch fabric construction for low weight and high levels of breathability

Alpinestars screen printed logo on thigh

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

with an aggressive look & sound

Two zippered hand pocket

WSM Piston Kit - Polaris 300 - +.50 mm 50-310-05PK Stella SMX-1R V2 Boots Stretch fabric construction for lowQuality 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