WSM Piston Kit - Polaris 300 - +.75 mm 50-310-06PK Brake Shoes Set industry benchmark for revolutionary

Set industry benchmark for revolutionary design and technical features

Stretch fabric construction for low weight and high levels of breathability

Piston Diameter: Φ12

Required when installing a Scorpion Lock-up clutch in 2015 FLHTCUL and FLHTKL Big Twins and all 2016-19 FL's using the OE derby cover

OEM-style replacement stators

WSM Piston Kit - Polaris 300 - +.75 mm 50-310-06PK Brake Shoes Set industry benchmark for revolutionaryQuality 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