WSM Piston Assembly - Yamaha - +.25 mm 010-871-04K Reinforced Dual-Compound Grips for ATVs Ergonomically contoured shin plate is

Ergonomically contoured shin plate is injected with high-modulus TPU for a high-level impact- and abrasion-resistance

Flexible back connector between the left and right frames allows the neck support to follow the body's movements when riding

Reinforced mounting brackets and stinger for increased strength and durability

Replacement shaft nut for impeller

Throttle-by-Wire Black

WSM Piston Assembly - Yamaha - +.25 mm 010-871-04K Reinforced Dual-Compound Grips for ATVs Ergonomically contoured shin 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