USA Standard Gear
USA Standard Gear ZGK2145 Ford 10.5" 4.30 Ratio Rear Ring & Pinion Kit with Master Install Kit and 35-Spline Posi
USA Standard Gear ZGK2143 Ring & Pinion Gear Set with Install Kit for Ford 10.5" 3.73 Ratio
USA Standard Gear ZGK2137 Ring & Pinion Gear Set with Install Kit for 10.5" Ford 4.30 Ratio
USA Standard Gear ZGK2156 Ford 10.5" Ring & Pinion Gear Kit with Install Kit and 35 Spline Posi 4.88 Ratio
USA Standard Gear ZGK2154 Master Overhaul Kit for Ford Differential - 10.5 Rear
USA Standard Gear ZGK2120 Ring and Pinion Gear Set with Master Install Kit for GM 14 Bolt 10.5" 4.56 Ratio
USA Standard Gear ZGK2117 Master Install Kit for 11.5" AAM Rear Differential with 4.56 Gear Ratio
USA Standard Gear ZGK2255 Master Overhaul Kit for GM 9.5" 14-Bolt Rear Differential
USA Standard Gear ZGK2251 Master Install Kit for GM Rear Differential - 9.5 14-Bolt
USA Standard Gear ZGK2244 Ring & Pinion Gear Set with Master Install Kit and Posi for GM 7.5/7.625 Rear
USA Standard Gear ZGK2243 GM 7.5" Ring & Pinion Gear Kit 4.11 Ratio with Posi 26 Spline
USA Standard Gear ZGK2241 Master Overhaul Kit for GM 7.5" 3.42 Rear Differential
USA Standard Gear ZM465WT304-9A CH465 Manual Transmission Cluster Drive Gear 40-Tooth 4th
USA Standard Gear ZM465WT304-91 Manual Transmission Countershaft Spacer for CH465
USA Standard Gear ZM465WT304-34 Transmission Bearing Seal Overhaul Kit - SM465
USA Standard Gear ZM435WT291-10C NP435 Reverse Idler Gear 21 Tooth Bushing Type
USA Standard Gear ZM535-8A NP535 Manual Transmission Cluster Shaft with 5th Gear and Keyway
USA Standard Gear ZMAX83500637 AX5 Manual Transmission 5th Gear Shift Fork
USA Standard Gear ZMAX83500587 AX5 Manual Transmission Mainshaft 5th Gear Snap Ring
USA Standard Gear ZM833WT294-16B Manual Transmission Input Shaft A833 18-Spline 2.65 Ratio
USA Standard Gear ZMAX83506260 AX5 Manual Transmission 5th Gear Cluster Snap Ring 2.86mm
USA Standard Gear ZM833WT294-8C A833 Manual Transmission Cluster Gear 18-Spline 1966-1970 Chrysler
USA Standard Gear ZM833WT294-36 A833 Manual Transmission Countershaft Pin
USA Standard Gear ZM833WT294-21C A833 2nd Gear 18-Spline 30-Tooth 1966-1970 Chrysler
USA Standard Gear ZMAX83503555 Manual Trans Reverse Idler Gear 29-Tooth AX5/R151
USA Standard Gear ZMBK127WS Manual Transmission Bearing Kit with Synchros - NP435 4-Speed
USA Standard Gear ZMBK127EWS Manual Transmission Bearing Kit with Synchros - NP435
USA Standard Gear ZMBK137EWS Manual Transmission Bearing and Seal Overhaul Kit
USA Standard Gear ZMBK137CWS Manual Transmission Bearing Kit for 5-Speed with Reverse Synchros
USA Standard Gear ZGD30SR-373JK Ring & Pinion Gear Set Dana 30 JK Reverse 3.73 Ratio
USA Standard Gear 10722 GM 8.5" 3.42 Ratio Rear Ring & Pinion Quick Kit with Install Kit & Axle Bearings
USA Standard Gear 26033 Dura Grip Limited Slip Differential for 11.5" GM & Chrysler
USA Standard Gear 26030 Dura Grip Limited Slip Differential Carrier for GM 10.5" 14-Bolt
About USA Standard Gear
USA Standard Gear has built a strong reputation among professional mechanics and serious enthusiasts as a go-to source for drivetrain and transmission components that meet or exceed original equipment specifications. The brand's philosophy is straightforward: deliver parts that are affordable without sacrificing the quality standards that demanding applications require. Whether you're rebuilding a weekend off-roader, restoring a classic truck, or maintaining a working vehicle, USA Standard Gear offers a comprehensive lineup engineered to perform.
Drivetrain Expertise You Can Count On
USA Standard Gear's catalog spans a wide range of drivetrain categories, including ring and pinion gear sets, differential rebuild kits, axle shafts, and driveshafts for a broad array of domestic and import applications. Their products are manufactured to tight tolerances, helping ensure proper fitment and long service life — a critical factor when working with components that bear the full load of an engine's power output.
One of the brand's standout strengths is its deep coverage of manual transmission components. Rebuilding a manual transmission demands precision-matched parts, and USA Standard Gear delivers with their Manual Transmission Rebuild Kits — comprehensive kits that include the key components needed to restore a transmission to like-new function. For shops or DIYers tackling individual component replacement, the brand's Manual Transmission Gears provide direct-fit options across a wide range of popular transmission models, helping you source the exact gear you need without compromise.
Seals and bearings are often overlooked during a rebuild, yet they are critical to keeping a transmission running smoothly and leak-free for the long haul. USA Standard Gear addresses this with their Manual Transmission Bearing and Seal Overhaul Kits, which bundle the necessary bearings, seals, and related hardware into a single convenient package — saving time and reducing the risk of missing a critical component during assembly.
Why Choose USA Standard Gear?
- OEM-matching or better quality at a price point that makes rebuilds financially practical
- Wide vehicle coverage spanning domestic trucks, SUVs, cars, and select imports
- Comprehensive kits that reduce sourcing complexity and keep rebuilds on schedule
- Trusted by professionals in shops and on the trail for consistent, reliable performance
From ring and pinion swaps to full transmission overhauls, USA Standard Gear provides the parts and confidence to get the job done right the first time.