Protaper 033263 PTR Rear Sprocket - Aluminum implements-sprayers-pumps Kooks Headers and Exhaust has

Kooks Headers and Exhaust has been the leader in the High Performance Exhaust Industry for over 50 Years

2012-2016 MV Agusta F3 675

Unique two-piece design allows easy installation

2022-2023 Arctic Cat Blast XR 4000

Chrome Housing

Protaper 033263 PTR Rear Sprocket - Aluminum implements-sprayers-pumps Kooks Headers and Exhaust hasRace Spec (RS) Rear Sprockets feature our revolutionary Angled Mud Groove. This exclusive design creates a self cleaning effect during operation, shedding away mud that would otherwise lead to horsepower loss and sprocket wear. With their precise CNC machining and unique layout, these grooves also allow an increase in tooth surface area of up to 40% over competing sprockets. As a result, contact with the chain is significantly improved, leading to a