WSM Piston Kit 50-219-09K Factory 4.1 Exhaust System perforated microfiber with internal perforated

perforated microfiber with internal perforated padding Highly ventilated perforated padding for optimized ventilation and airflow

3D embroidered logo on left panel

Thermoformed padded chassis for optimized levels of comfort and close-to-body fit

and Pista GP RR helmets

Headers mount to the head with machined stainless spiggots and flanges made from 7075 T651 aluminum then hard anodized and spring mounted

WSM Piston Kit 50-219-09K Factory 4.1 Exhaust System perforated microfiber with internal perforatedQuality and construction that meet or exceed OEM Feature improved E clip design Kits contain piston, rings, pin and clips Rings available separately