WSM Piston Kit - Polaris - +.50 mm 50-305-05PK Drop 8.0 Shorts Includes spark arrestor screen insert

Includes spark arrestor screen insert

Fitment: Yamaha R1 / R1M / R1S 2015-2023

Replacement Pinlock® shield for AGV Legends X3000 helmets Iridium shield colors may vary

double roller bearings in the brake + shifter pivots and carbon fiber heel guard (1)

Mount easily using included mount kits

WSM Piston Kit - Polaris - +.50 mm 50-305-05PK Drop 8.0 Shorts Includes spark arrestor screen insertQuality 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