WSM Piston Kit - Polaris 300 - +.75 mm 50-310-06PK Brake Shoes The 7075 T651 aluminum we

The 7075 T651 aluminum we use for these sprockets receives an extra tempering which reduces distortion and provides optimal thickness vs

Stretch fabric construction for low weight and high levels of breathability

Piston Diameter: Φ12

2012-2015 KTM 450 EXC - - 2012-2015 KTM 500 XC-W - - 2012-2015 KTM 450 XC-W - -

WSM Piston Kit - Polaris 300 - +.75 mm 50-310-06PK Brake Shoes The 7075 T651 aluminum weQuality 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