WSM Piston Assembly - Polaris - +1 mm 50-306-07PK RX-3 Harness Ventilation system on the side

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

Waist adjustment system for customized fit

Alpinestars Heat Tech System features superior Graphene heating panels which ensure greater efficiency and heat distribution

2010-2017 Harley-Davidson Wide Glide EFI FXDWGI - - 2006 Harley-Davidson Super Glide FXD35 - -

WSM Piston Assembly - Polaris - +1 mm 50-306-07PK RX-3 Harness Ventilation system on the sideQuality 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