AMC 20 clutch kit for the factory Dana Trac Lok 

CJ5 CJ7 CJ8, Cherokee, J10, Grand Wagoneer, Wagoneer

Also the AMC cars with the Model 20 rear axle.

This is the correct OEM Spicer clutch kit for the AMC 20 

The AMC 20 has a 12 bolt round cover.