WSM Piston Kit - Yamaha 350 - +1 mm 50-540-07K Stella Bionic Action V2 Protection Jacket Multi-material main chassis incorporating premium

Multi-material main chassis incorporating premium leather and breathable stretch back hand construction Leather palm for comfort

K&N High-Flow air filter greatly increases performance and horsepower

-approved spark arrestor TIG precision welding Made in the U

Fitment: Yamaha R6 2017-2021 - Also has a universal fitment and can be used on other bikes with slight modification

Hydration system prepared

WSM Piston Kit - Yamaha 350 - +1 mm 50-540-07K Stella Bionic Action V2 Protection Jacket Multi-material main chassis incorporating premiumQuality 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