WSM Piston Kit - Yamaha - Standard 50-520PK Scorpion Pressure Plate Made of AISI 304 TIG

Made of AISI 304 TIG welded stainless steel Developed on the dyno using specific dimensions for each model with the aim of improving torque and maximum power Compatible with both stock exhaust and LeoVince slip-ons

80g PrimaLoft® Silver insulation for warmth retention in cold conditions

Screwdriver bit sizes – Phillips #2 and slotted 4 mm

Snap button system to integrate Alpinestars Nucleon back protector (sold separately)

Front zipper outside pocket

WSM Piston Kit - Yamaha - Standard 50-520PK Scorpion Pressure Plate Made of AISI 304 TIGQuality 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