WSM Piston Assembly - Polaris - +1 mm 50-306-07PK RX-3 Harness Technical elastane main construction is

Technical elastane main construction is highly breathable and maintains shape Premium auto-lock YKK zipper main front closure

Made from stout 1-1/2" diameter thick-wall steel with heavy-duty welded flanges Constructed for strength and long lasting good looks Made in the U

Designed to outlast standard aluminum rear sprockets and is much lighter than steel rear sprockets

Replacement shield for the Variable Axis System (VAS)

WSM Piston Assembly - Polaris - +1 mm 50-306-07PK RX-3 Harness Technical elastane main construction 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