With more than 30 years experience in the high performance motorcycle and automotive clutch industry, Energy One is the optimum choice for replacement clutch plates and components for your Harley-Davidson motorcycle. All Energy One clutch plates and components are 100% manufactured in the USA by skilled American craftsmen using only the latest tools and CNC equipment. Friction plates feature Energy Ones race proven friction material with a maximum groove pattern for heat dissipation and fluid circulation. All steel plates are made with a high tempered steel and vibratory deburred for extreme flatness for positive engagement and performance.