MH0531 Air Cleaner Cap--Replaces 763183M91

Replaces number 763183M91, IHS394

Fits: Colt, Mustang, 20, 21, 22, 22K, 30, 30K, 33 gas, 33 diesel, 44 gas, 44 diesel, 44 special gas, 44 diesel, 81, 82, 101Jr., 102Jr

2 inch inside pipe diameter
Slides over pipe
5-1/4 inch outside head diameter