Apr 152014

American Axle & Manufacturing has released 4.30 ratio gear sets for the 9.25″ GM AAM front axle and the 11.50″ GM AMM rear axle.



The GM 9.25″ and 11.50″ differentials combinations are found in 2001 and newer Sierra & Silverado 2500/3500 pickups.

GM 4x4

GM 4×4

Contact UNITRAX for more information on ratio changing your AAM axles to a 4.30 ratio.

800.622.4327 | info@gounitrax.com

Leave a Reply