USA Standard Gear Parts
USA Standard is a leading automotive parts manufacturer in the present-day global market. The company uses the latest designs and innovative technologies to provide premium quality and competitive products which operate efficiently for many years to come. USA Standard offers a great assortment of reliable ring and pinions, axles, dropouts, spools, Spartan Lockers, gear sets, and bearing kits that are the standard for driving confidence.
The company is known for its innovative patented Spartan Locker. This locker features a revolutionary spring and pin design which provides much easier installation and removal in comparison to any other designs. This mechanical Locker replaces the spiders in a standard case. Its couplers and drivers made from deep heat treated 9130 steel as well as upgraded tooth design ensure higher strength of the product for long lasting service life.
USA Standard Gear manufactures ring and pinion sets which provide maximum toughness, outstanding performance, and easy set up. The company also provides a great inventory of strong axles. Available for both front and rear applications, they put the power of performance in your vehicle. In addition, USA Standard offers install kits which utilize Koyo bearings and races. These kits include pinion bearing and races, carrier bearings and races, ring gear bolts, oil baffles and slingers, threading locking compound, pinion nut, crush sleeve, marking compound with brush and gasket, and complete shim kit.















