WSM Piston Kit - Yamaha 350 - +1 mm 50-540-07K 520 M3 Chain TPU ankle protection system incorporating

TPU ankle protection system incorporating a biomechanical link between the middle and bottom sections of the boot helping prevent damage to the leg by providing progressive force relief for torsional forces

High-quality polished cast aluminum construction

and dexterity with the bike’s controls

Removable inner mesh liner

Five-color LED indicator lets the rider quickly know the grip's heat-level setting

WSM Piston Kit - Yamaha 350 - +1 mm 50-540-07K 520 M3 Chain TPU ankle protection system incorporatingQuality 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