High performance USA Standard gear set. USA Standard uses the latest designs and manufacturing technologies to provide a gear that is strong and easy to set up. All USA Standard Ring & Pinion sets come standard with a one-year warranty. Precision, quality USA Standard Gear axles. USA Standard Gear uses precision manufacturing technologies to provide top quality, competition tough axles. Find quality axles at value prices for the front and rear of your vehicle. All USA Standard axles come with a limited one-year warranty.
USA Standard install Kit offers a lower cost alternative when price must be kept low. This kit uses Koyo Bearings and Races. Included are carrier bearings and races, pinion bearings and races, pinion seal, complete shim kit, ring gear bolts, pinion nut, crush sleeve (if applicable), oil baffles and slingers (if applicable), threading locking compound, marking compound with brush and gasket. The Spartan Locker by USA Standard Gear is a mechanical locker that replaces the spiders in a standard case. The Spartan Locker's design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan Locker carries a one year warranty against defect.

Diff Wizard