WSM Piston Kit - Yamaha - +1 mm 50-530-07PK 3-Wheel Steering Stem/4-Wheel Lower Steering Stem Bearing Kit Contoured calf protector plate is

Contoured calf protector plate is injected with high modulus polymer for impact resistance and incorporates Alpinestars developed blade flex system for greater precision control and movement

BIO Dirt Remover cleans Liquid Bio Power oil by using granular detergents instead of solvents

3-ounce aerosol cans (applicator straw included)

Wide range of spring rates available

Comes with reusable pouch

WSM Piston Kit - Yamaha - +1 mm 50-530-07PK 3-Wheel Steering Stem/4-Wheel Lower Steering Stem Bearing Kit Contoured calf protector plate isQuality 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