WSM Piston Assembly - Polaris - +1 mm 50-306-07PK RX-3 Harness Things to consider when buying

Things to consider when buying captive wheel spacers:

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

Ventilation system on the side in order to improve the airflow and breathability

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

Replacement shield for the Variable Axis System (VAS)

WSM Piston Assembly - Polaris - +1 mm 50-306-07PK RX-3 Harness Things to consider when buyingQuality 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