WSM Piston Kit - Kawasaki 900 - +.5 mm 010-840-05K Bionic Action v2 Protection Jacket Elastane finger sidewalls for flexibility

Elastane finger sidewalls for flexibility

Bonded jacket with removable hood

configured to balance the Ninja 650's body lines and produce the best balance of power

Yamaha housings have replaceable wear rings

and a high level of abrasion and tear resistance

WSM Piston Kit - Kawasaki 900 - +.5 mm 010-840-05K Bionic Action v2 Protection Jacket Elastane finger sidewalls for flexibilityQuality 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