GM8.0-373 OEM Ring Gear and Pinion Set 2002+ Envoy Trailblazer Chevy GMC Rear

This is a genuine AAM ring and pinion in a 3:55 ratio for the Dodge and Chrysler vehicles with the 9.25 12 bolt rear differential. These fit 1/2 trucks and vans up to 2010 when Dodge started using the ZF rear differentials.

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 [...]

This is a genuine AAM ring and pinion in a 4:10 ratio for the American Axle front differential in 2007-2012 4X4 Dodge Ram 2500 and 3500 series trucks. According to AAM there is a 3mm or 0.118 difference in deck height on the carrier as opposed to earlier models. They recommend using the 2007 and [...]

This is a genuine AAM gearset for the 11.5 rear end found in 1999 and newer GM 3/4 and 1 ton trucks and 2003 and newer 3/4 and 1 ton Dodge Ram trucks with leaf spring rear suspension. This is a 5:13 gear ratio.