WSM Piston Kit - Yamaha 350 - +.50 mm 50-540-05K Carburetor Repair Kit K&N charge pipes will protect

K&N charge pipes will protect from damage caused by off-road carnage/debris

Chin vent has more intake ports for improved airflow

Constructed from aerospace grade Titanium

Chassis is constructed with synthetic leather that is flexible and abrasion resistant

WSM Piston Kit - Yamaha 350 - +.50 mm 50-540-05K Carburetor Repair Kit K&N charge pipes will protectQuality 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