Primary chain drive system is 82 link and features chain shoe adjuster assembly, clutch drum basket with starter ring gear, steel and fiber clutch plates with pressure plate assembly, and 24 tooth compensator sprocket kit. 

Primary chain drive system, 82 link for Big Twins. Features chain shoe adjuster assembly, clutch drum basket with starter ring gear & steel & fiber clutch plates with pressure plate assembly. Unit includes front compensator sprocket assembly & comes with all parts necessary for installation, including sprocket nut. 5-Speed Softail models & all pre-1985 FLH-FX 4-speed require 82 link primary chains. 

Fits:

FL 1970-1984

FX 1971-1984