WSM Piston Kit - .50mm - Yamaha 50-521-05PK PowerBomb Talladega Goggles Mirrored Lens PU hard knuckle for classleading

PU hard knuckle for classleading protection

washers and self-locking nuts)

Fitment: Yamaha R1 1998-2017 + Yamaha R6 1999-2017 + Yamaha R6S 2006-2009

easily exchangeable extension stops to help prevent hyper-extension injuries

allowing the shield to function where a single pivot could not

WSM Piston Kit - .50mm - Yamaha 50-521-05PK PowerBomb Talladega Goggles Mirrored Lens PU hard knuckle for classleadingNew light weight design incorporates shorter piston skirts with an PTFE coating at critical wear points for quicker revs and less heat Improved intake skirt with larger inlet ports for increased acceleration and overall performance