WSM Piston Kit - Standard - Yamaha 50-521P Corp Trucker Hat GP Lite shoulders with dynamic

GP Lite shoulders with dynamic friction shield on shoulder for enhanced abrasion resistance

Designed to fit and seal perfectly on OEM gas tanks

Zippered air-intake vents are positioned for optimized airflow when opened

This carbon fiber guard is sleek and stylish protection for your expensive muffler and luggage bags

Polyester wraps pretreated with silicone

WSM Piston Kit - Standard - Yamaha 50-521P Corp Trucker Hat GP Lite shoulders with dynamicNew 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