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.
USA Standard Gear®Spartan LockerSpartan Locker by USA Standard Gear®. With Heavy Duty Cross Pin Shaft. The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. The Spartan locker's design does not use the thrust washers and has a...Made from 9310 steel for added strengthReplaces the spiders in a standard carrier case$292.24 - $495.51
USA Standard Gear®Ring & Pinion Gear SetRing & Pinion Gear Set by USA Standard Gear®. USA Standard ring & pinion sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of ring & pinion sets for a variety of common & hard to find...Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle$166.81 - $488.21
USA Standard Gear®Axle ShaftAxle Shaft by USA Standard Gear®. Precision, quality USA Standard Gear axles. USA Standard Gear uses precision manufacturing technologies to provide top quality, competition tough axles. Keep your axle assembly in tip-top shape by...Designed to help bring your vehicle back in its tip-top conditionFaithful reproduction of the original part in quality, look, and function$69.41 - $1,576.24
USA Standard Gear®PositractionPositraction by USA Standard Gear®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by USA Standard Gear will last a...Expertly crafted from premium materialsDesigned to match rigorous quality standards$548.25 - $605.38
USA Standard Gear®Differential Overhaul Bearing KitDifferential Overhaul Bearing Kit by USA Standard Gear®. USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. Included are carrier bearings and races, pinion bearings and...Uses Koyo bearings and racesExpertly crafted from premium materials$116.46 - $501.21
USA Standard Gear®Drop Out CaseDrop Out Case by USA Standard Gear®. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with customers in mind, this product by USA Standard Gear will last a...Expertly crafted from premium materialsDesigned to match rigorous quality standards$312.30
USA Standard Gear®Spider Gear SetSpider Gear Set by USA Standard Gear®. USA Standard gear sets are the right choice to add confidence to your install. USA Standard Gear offers a full line of gear sets for a variety of common and hard to find applications.Expertly crafted from premium materialsDesigned to match rigorous quality standards$93.07 - $188.29
USA Standard Gear®SpoolSpool by USA Standard Gear®. USA Standard Gear Spool let you finish your install with confidence. This product is made of high-quality materials to serve you for years to come. Designed using state-of-the-art technology and with...Provides 100% traction to both wheels at all timesNot recommended for street driven vehicles$105.11 - $319.41
USA Standard Gear®Differential Bearing KitDifferential Bearing Kit by USA Standard Gear®. This kit uses Koyo bearings and races along with all high quality small parts. kit includes carrier bearings and races, pinion bearings and races, pinion seal, crush sleeve (if...Expertly crafted from premium materialsDesigned to match rigorous quality standards$86.54 - $385.65
USA Standard Gear®Mini SpoolMini Spool by USA Standard Gear®. Mini spools are a low-cost traction option for vehicles looking for full-time lockup. When it comes to a top-notch replacement for your worn out factory part, this OE-quality differential component is...Installs into a standard open carrier caseProvides 100% traction to both wheels at all times$31.28 - $92.33
USA Standard Gear®Axle Shaft Kit (ZAW24116)Axle Shaft Kit by USA Standard Gear®. With Yukon Super Joints. Material: 4340 Chrome-Moly. Precision, quality USA Standard Gear axles. USA Standard Gear uses precision manufacturing technologies to provide top quality, competition tough...Designed to help bring your vehicle back in its tip-top conditionFaithful reproduction of the original part in quality, look, and function$880.45
USA Standard Gear®Axle Shaft Kit (ZAW24150)Axle Shaft Kit by USA Standard Gear®. With Spicer U-Joints. Material: 4340 Chrome-Moly. Precision, quality USA Standard Gear axles. USA Standard Gear uses precision manufacturing technologies to provide top quality, competition tough...Designed to help bring your vehicle back in its tip-top conditionFaithful reproduction of the original part in quality, look, and function$647.82
USA Standard Gear®Rear Master Overhaul Bearing Kit (ZKC9.25ZF)Rear Master Overhaul Bearing Kit by USA Standard Gear®. USA Standard Master Overhaul kits let you finish your install with confidence. This kit uses Koyo bearings and races. When it comes to a top-notch replacement for your worn out...Uses Koyo bearings and racesExpertly crafted from premium materials$216.63
USA Standard Gear®Rear Differential Bearing Kit (ZBKC9.25ZF)Rear Differential Bearing Kit by USA Standard Gear®. This kit uses Koyo bearings and races along with all high quality small parts. USA Standard Gear does extensive research for each application to make sure your kit will arrive with...Expertly crafted from premium materialsDesigned to match rigorous quality standards$197.59
USA Standard Gear®Gear and Install Kit Package (ZGK054)Gear and Install Kit Package by USA Standard Gear®. Building a strong rearend requires strong parts. USA Standard gear packages provide an easy way to re-gear a four wheel drive vehicle with one simple part number.Expertly crafted from premium materialsDesigned to match rigorous quality standards$1,066.00
USA Standard Gear®Gear and Install Kit Package (ZGK002)Gear and Install Kit Package by USA Standard Gear®. Building a strong rearend requires strong parts. USA Standard gear packages provide an easy way to re-gear a four wheel drive vehicle with one simple part number.Expertly crafted from premium materialsDesigned to match rigorous quality standards$692.56
USA Standard Gear®Gear and Install Kit Package (ZGK009)Gear and Install Kit Package by USA Standard Gear®. Building a strong rearend requires strong parts. USA Standard gear packages provide an easy way to re-gear a four wheel drive vehicle with one simple part number.Expertly crafted from premium materialsDesigned to match rigorous quality standards$791.14
USA Standard Gear®Gear and Install Kit Package (ZGK015)Gear and Install Kit Package by USA Standard Gear®. Building a strong rearend requires strong parts. USA Standard gear packages provide an easy way to re-gear a four wheel drive vehicle with one simple part number.Expertly crafted from premium materialsDesigned to match rigorous quality standards$916.39
USA Standard Gear®Gear and Install Kit Package (ZGK016)Gear and Install Kit Package by USA Standard Gear®. Building a strong rearend requires strong parts. USA Standard gear packages provide an easy way to re-gear a four wheel drive vehicle with one simple part number.Expertly crafted from premium materialsDesigned to match rigorous quality standards$953.67
USA Standard Gear®Gear and Install Kit Package (ZGK014)Gear and Install Kit Package by USA Standard Gear®. Building a strong rearend requires strong parts. USA Standard gear packages provide an easy way to re-gear a four wheel drive vehicle with one simple part number.Expertly crafted from premium materialsDesigned to match rigorous quality standards$951.14
USA Standard Gear®Gear and Install Kit Package (ZGK001)Gear and Install Kit Package by USA Standard Gear®. Building a strong rearend requires strong parts. USA Standard gear packages provide an easy way to re-gear a four wheel drive vehicle with one simple part number.Expertly crafted from premium materialsDesigned to match rigorous quality standards$692.56
USA Standard Gear®Gear and Install Kit Package (ZGK005)Gear and Install Kit Package by USA Standard Gear®. Building a strong rearend requires strong parts. USA Standard gear packages provide an easy way to re-gear a four wheel drive vehicle with one simple part number.Expertly crafted from premium materialsDesigned to match rigorous quality standards$686.50
USA Standard Gear®Gear and Install Kit Package (ZGK012)Gear and Install Kit Package by USA Standard Gear®. Building a strong rearend requires strong parts. USA Standard gear packages provide an easy way to re-gear a four wheel drive vehicle with one simple part number.Expertly crafted from premium materialsDesigned to match rigorous quality standards$951.14
USA Standard Gear®Gear and Install Kit Package (ZGK006)Gear and Install Kit Package by USA Standard Gear®. Building a strong rearend requires strong parts. USA Standard gear packages provide an easy way to re-gear a four wheel drive vehicle with one simple part number.Expertly crafted from premium materialsDesigned to match rigorous quality standards$686.50
USA Standard Gear®Blank Axle (ZAW81556-4340L)Blank Axle by USA Standard Gear®. Shaft Length: 38". Material: 4340 Chrome-Moly. Precision, quality USA Standard Gear axles. USA Standard Gear uses precision manufacturing technologies to provide top quality, competition tough axles....Designed to help bring your vehicle back in its tip-top conditionFaithful reproduction of the original part in quality, look, and function$220.19
USA Standard Gear®DriveshaftDriveshaft by USA Standard Gear®. This restoration grade driveshaft component is a superior replacement for your factory part. Designed to fit and function the same as the OE, this top-notch product will ensure the reliable transfer of...Designed to transfer the engine's rotational power through the transmissionProvides the same look, fit and function as the original factory part$293.00 - $548.77
USA Standard Gear®Spartan Locker Cross PinSpartan Locker Cross Pin by USA Standard Gear®. When it comes to a top-notch replacement for your worn out factory part, this OE-quality differential component is right what the doctor ordered if you need to restore and maintain your...Works with Spartan Locker or standard open spider gearsExpertly crafted from premium materials$13.85 - $31.99
USA Standard Gear®Spartan Locker Spring and Pin KitSpartan Locker Spring and Pin Kit by USA Standard Gear®. When it comes to a top-notch replacement for your worn out factory part, this OE-quality differential component is right what the doctor ordered if you need to restore and...Direct-fit OE-quality replacement for your factory partHelps restore the proper functionality of your vehicle$14.91 - $21.33
USA Standard Gear®Spartan Locker Cross Pin (SLXP-NPATROL)Spartan Locker Cross Pin by USA Standard Gear®. When it comes to a top-notch replacement for your worn out factory part, this OE-quality differential component is right what the doctor ordered if you need to restore and maintain your...Works with Spartan Locker or standard open spider gearsExpertly crafted from premium materials$31.99
USA Standard Gear®Driveshaft (ZDS9348)Driveshaft by USA Standard Gear®. This restoration grade driveshaft component is a superior replacement for your factory part. Designed to fit and function the same as the OE, this top-notch product will ensure the reliable transfer of...Designed to transfer the engine's rotational power through the transmissionProvides the same look, fit and function as the original factory part$313.67
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.
USA Standard Gear Reviews
Average rating: 
4.8 - 11 reviews
4.8 - 11 reviews4.8 of 5
Order Shipped And Received Very Timely
CPosted by Cody (Rigby, ID) / February 22, 2017
1999 Chevy Silverado
1999 Chevy Silverado
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