If you're looking to tackle a differential rebuild on your classic GM vehicle, the USA Standard Gear ZK GM7.5-B Master Overhaul Kit is your go-to solution. Designed specifically for GM 7.5 and 7.625-inch differentials, this comprehensive kit has all the essential components you need to ensure a smooth and reliable installation.
With a 1-year warranty against manufacturer defects, you can install this kit with confidence, knowing you're covered if anything goes wrong.
This overhaul kit is compatible with a variety of GM vehicles, making it an excellent choice for owners looking to maintain or upgrade their rides. Here’s a list of specific models:
Many owners of models like the Chevrolet Camaro and Pontiac Firebird have reported that using the ZK GM7.5-B kit not only simplified their installation process but also enhanced the overall performance of their vehicles. For example, one Camaro owner noted, “After installing the ZK GM7.5-B kit, my differential feels tighter and more responsive, which is exactly what I needed for my weekend drives.”
Whether you're restoring a classic or just looking to keep your daily driver in peak condition, the USA Standard Gear ZK GM7.5-B Master Overhaul Kit is a reliable choice that delivers quality and performance.
⚠ WARNING:
Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov
| Vehicle Make/Model | Year | Trims |
|---|---|---|
| Buick Electra | 1982-1984 | Limited |
| Buick Electra | 1982-1984 | Park Avenue |
| Buick Electra | 1982-1984 | Estate Wagon |
| Buick Regal | 1982-1983 | Estate Wagon |
| Buick Regal | 1982-1983 | Base |
| Buick Regal | 1982-1983 | Limited |
| Buick Regal | 1982 | Sport |
| Buick Regal | 1982 | Limited Turbo |
| Buick Regal | 1983 | T-Type |
| Chevrolet Astro | 1985-1995 | CL |
| Chevrolet Astro | 1985-1999 | Base |
| Chevrolet Astro | 1985-1995 | CS |
| Chevrolet Astro | 1987-1999 | LT |
| Chevrolet Astro | 1996-1999 | LS |
| Chevrolet Camaro | 1982-1986 | Berlinetta |
| Chevrolet Camaro | 1982-1987, 1991-1999 | Z28 |
| Chevrolet Camaro | 1982 | Z28 Indianapolis 500 Pace Car |
| Chevrolet Camaro | 1982-1987 | Sport |
| Chevrolet Camaro | 1985-1990 | Iroc-Z |
| Chevrolet Camaro | 1987 | LT |
| Chevrolet Camaro | 1988, 1993-1999 | Base |
| Chevrolet Camaro | 1989-1992, 1996-1997 | RS |
| Chevrolet Camaro | 1992 | Z28 Heritage Edition |
| Chevrolet Camaro | 1992 | RS Heritage Edition |
| Chevrolet Camaro | 1993 | Indianapolis 500 Pace Car |
| Chevrolet Camaro | 1996-1998 | Lujo |
| Chevrolet Camaro | 1998-1999 | Z28 SS |
| Chevrolet Caprice | 1982, 1985-1992 | Base |
| Chevrolet Caprice | 1982-1996 | Classic |
| Chevrolet Caprice | 1982 | Classic Estate |
| Chevrolet Caprice | 1986-1990 | Classic Brougham |
| Chevrolet Caprice | 1987-1990 | Classic LS Brougham |
| Chevrolet Caprice | 1991-1993 | Classic LTZ |
| Chevrolet Caprice | 1993-1994 | Classic LS |
| Chevrolet El Camino | 1982-1987 | Base |
| Chevrolet El Camino | 1982-1987 | SS |
| Chevrolet El Camino | 1982-1986 | Conquista |
| Chevrolet Impala | 1982 | Estate |
| Chevrolet Impala | 1982-1985 | Base |
| Chevrolet Impala | 1994-1996 | SS |
| Chevrolet Malibu | 1982-1983 | Classic |
| Chevrolet Monte Carlo | 1982-1988 | Base |
| Chevrolet Monte Carlo | 1983-1988 | SS |
| Chevrolet Monte Carlo | 1983 | CL |
| Chevrolet Monte Carlo | 1986-1988 | LS |
| Chevrolet S10 | 1983-1992 | Tahoe |
| Chevrolet S10 | 1983-1990 | Durango |
| Chevrolet S10 | 1983-1999 | Base |
| Chevrolet S10 | 1983-1989 | Sport |
| Chevrolet S10 | 1991-1993 | Maxi |
| Chevrolet S10 | 1991 | Baja |
| Chevrolet S10 | 1992-1993 | EL |
| Chevrolet S10 | 1994-1998 | SS |
| Chevrolet S10 | 1994-1999 | ZR2 |
| Chevrolet S10 | 1994-1999 | LS |
| Chevrolet S10 | 1999 | Xtreme |
| GMC Jimmy | 1991 | Base |
| GMC S15 | 1983, 1986-1988 | Gypsy |
| GMC S15 | 1983-1990 | Base |
| GMC S15 | 1983-1990 | High Sierra |
| GMC S15 | 1983-1990 | Sierra Classic |
| GMC S15 | 1987 | EL |
| GMC S15 Jimmy | 1991 | SLT |
| GMC S15 Jimmy | 1991 | Base |
| GMC S15 Jimmy | 1991 | SLE |
| GMC S15 Jimmy | 1991 | SLS |
| GMC Sonoma | 1991-1993 | Base |
| GMC Sonoma | 1991-1999 | SLE |
| GMC Sonoma | 1992 | GT |
| GMC Sonoma | 1993-1999 | SLS |
| GMC Sonoma | 1994-1999 | SL |
| Isuzu Rodeo | 1991-1992 | XS |
| Isuzu Rodeo | 1991-1999 | LS |
| Isuzu Rodeo | 1991-1999 | S |
| Isuzu Rodeo | 1999 | LSE |
| Oldsmobile Bravada | 1991-1994, 1996-1999 | Base |
| Oldsmobile Cutlass Supreme | 1982-1987 | Brougham |
| Oldsmobile Cutlass Supreme | 1982-1988 | Base |
| Oldsmobile Cutlass Supreme | 1985 | LS |
| Oldsmobile Cutlass Supreme | 1987 | 442 |
| Oldsmobile Cutlass Supreme | 1988 | International |
| Oldsmobile Cutlass Supreme | 1988 | SL |
| Oldsmobile Cutlass Supreme | 1988 | Classic Brougham |
| Oldsmobile Cutlass Supreme | 1988 | Indy 500 Pace Car |
| Oldsmobile Cutlass Supreme | 1988 | Classic |
| Pontiac Bonneville | 1982-1986 | Base |
| Pontiac Bonneville | 1982-1986 | Brougham |
| Pontiac Bonneville | 1984-1986 | LE |
| Pontiac Firebird | 1982-1999 | Trans Am |
| Pontiac Firebird | 1982-1986 | S/E |
| Pontiac Firebird | 1982-1999 | Base |
| Pontiac Firebird | 1989 | Trans Am GTA SE |
| Pontiac Firebird | 1989-1992 | Trans Am GTA |
| Pontiac Firebird | 1989-1999 | Formula |
| Pontiac Firebird | 1994 | Trans Am GT |
| Pontiac Grand Prix | 1982-1987 | Base |
| Pontiac Grand Prix | 1982-1987 | Brougham |
| Pontiac Grand Prix | 1982-1983 | LJ |
| Pontiac Grand Prix | 1984-1987 | LE |

USA Standard Gear is a company that supplies high-quality parts for the automotive industry. They are a one-stop-shop for all your drivetrain component needs and have one of the industry's most comprehensive parts list and inventory. Today, they are considered the leading supplier of these parts in the United States.
Drivetrain ExpertsThe company offers various parts ranging from axles, differential gears, lockers, limited slips, drivelines, and more. It is built by a team of craftsmen who has years of experience when it comes to assembling and modifying their own builds. This passion is what drives the company to create some of the best products in the market.
Quality In Every ProductAll their parts are manufactured in their facility equipped with the latest and most sophisticated tools available today. They also have two high-tech testing labs to ensure that every product comes out with the company's quality.
The USA Standard Gear engineering team is constantly on edge trying to find ways to develop and further improve their products. That is why they can produce innovative parts that adapt to the changing trend in the automotive world.
Purchase USA Standard Gear at Vivid RacingIf you are in the market for reliable and top-notched drivetrain components, then USA Standard Gear is the brand for you. With years of experience developing their products, they have provided their customers with parts they could trust, whether it's a replacement component or an upgrade.
To know more about USA Standard Gear, visit Vivid Racing and check out their list of offerings that fit your specific requirement.
Upon notification of a warranty claim, USA Standard shall investigate the claim of defect, and, in the event of a verified defect, shall, at their sole choice, either repair the defective product or replace it.
This warranty does not cover, and USA Standard shall not be liable for, incidental or consequential damages, including loss of time, road service charges, labor charges, inconvenience, loss of vehicle use, loss of revenues, or loss or damage to personal property (including loss or damage to vehicle parts due to the failure of the USA Standard product). In addition, this warranty does not cover, and USA Standard shall not be liable for, any undertaking, representation, or agreements made by dealers or other third parties selling USA Standard Gear® products, except where such agreements are within the provisions of this Warranty statement. Also, this warranty does not cover damage to the axle caused by or facilitated by failure of a non-USA Standard component.
This agreement offers you specific legal rights. You may also have other rights which vary from state to state.
USA STANDARD GEAR® WARRANTY BY PRODUCT| USA Standard Product | Length of Warranty (From date of sale) | NOTES |
|---|---|---|
| Spool | As long as original purchaser owns vehicle in which Spool is originally installed | It is normal for Spools to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for Spool to function properly without premature wear. |
| Rear Axle (1040/1050) | Five (5) Years | Covers parts for five years against manufacturing defects. |
| Front Axle (Series ZA W) | Five (5) Years | Five year warranty covering manufacturing defects and axle breakage. This warranty is not transferable to another party. “No Questions Asked†replacement for first warranty return, however, USA Standard Gear reserves the right to either replace axle or refund original purchase price after the first warranty claim. USA Standard Gear (through RANDYS Worldwide Automotive) makes final determination on warranty considerations. |
| Ring & Pinion Gear Set | One (1) Year | Warrantied against manufacturing defects for one (1) year. |
| Positraction Differential | One (1) Year | Exclusions apply, does not cover premature clutch wear or abuse. It is normal for Positraction differentials to cause tire chatter, squeal, or scrubbing when vehicle is not moving in a straight line. Both rear tires must measure the same height from ground to top of wheel for differential to function properly without premature wear. Limited slip additive or appropriate friction modifier must be used with oil to reduce Positraction chatter. |
| Spartan Locker | One (1) Year | Warrantied against manufacturers defects for one (1) year. |
| Install Kits | One (1) Year | Includes ZBK, ZPK, and ZK. Covers parts for one year against manufacturing defects. |
| Spider Gear Kits (ZIK) | One (1) Year | One year against manufacturing defects. Exclusions apply, does not cover clutch wear in limited slip differentials. |
| Replacement Driveshafts (ZDS) | One (1) Year | Warrantied against manufacturing defects for one (1) year. |