This is a genuine AAM ring gear and pinion set for the GM 9.5 14 bolt semi-float differential found in some 1981-2014 Chevy 3/4 ton and some of the heavier 1/2 ton trucks such as the SS series trucks. AAM is the original equipment manufacturer of these rear axles for General Motors. You won’t find [...]

This is a genuine AAM ring and pinion in a 4:10 for the 7.6 rear differential found in many GM cars and trucks including S10 and Camaro. This was also use in the 7.6IFS front differential used in some Hummer H3 and Colorado applications.

This is a genuine AAM ring & pinion, in a 4:10 ratio for the 9.25IFS front differential found in many GM 2500 and 3500 series trucks, from 1988-2018.

This is a genuine AAM gear set in a 4:56 ratio for the leaf spring 11.5 rear end found in GM and Dodge applications. This can be used in a coil spring rear end if you use the special pinion bearing kit that we have available (PK11.5CONV).

This is a genuine AAM ring and pinion set in a 3:23 ratio that fits all GM 8.5 or 8.6 10 bolt differentials from 1973 and up. This includes early Camaros, 1/2 ton pickups and SUVs, Caprice, etc. In our opinion these are the best gearsets available on the market today. They tooth counts are [...]

This is a genuine AAM ring and pinion set in a 3:42 ratio that fits all GM 8.5 or 8.6 10 bolt differentials from 1973 and up. This includes early Camaros, 1/2 ton pickups and SUVs, Caprice, etc. In our opinion these are the best gearsets available on the market today. The tooth counts are [...]

This is a genuine AAM ring and pinion set in a 4:10 ratio that fits all GM 8.5 or 8.6 10 bolt differentials from 1973 and up. This includes early Camaros, 1/2 ton pickups and SUVs, Caprice, etc. In our opinion these are the best gearsets available on the market today. They tooth counts are [...]