Perfect Answer When Modifying Trucks for More Torque Detroit – August 26, 2015 – American Axle & Manufacturing (AAM), a leading manufacturer of axle components, driveshaft components and repair kits for OE vehicles, has made available new 4.56 and 5.13 ratio ring and pinion gear sets for the Ram and GM 9.25” front axles. “These… Continue reading New AAM Gear Sets for 9.25” Ram and GM Front Axles