See more parts for Buick Apollo
Select the year of your Buick Apollo:
Product thumb
USA Standard Gear GM Ring and Pinion Gear Set 7.5 Inch 3.08 Ratio ZG GM7.5-308
$353.89

Upgrade Your Gear with the ZG GM7.5-308 Ring and Pinion Set

If you're looking to enhance the performance of your GM vehicle, the ZG GM7.5-308 Ring and Pinion Set from USA Standard Gear is a solid choice. This set is designed specifically for a range of GM models featuring a 7.5-inch or 7.6-inch differential, making it a versatile option for various applications. With a 3.08 gear ratio, it strikes a balance between performance and fuel efficiency, perfect for daily drivers and weekend warriors alike.

Why Choose USA Standard Gear?

USA Standard Gear is known for its quality and reliability. Their ring and pinion sets are engineered to provide confidence during installation and performance on the road. Each set is backed by a one-year warranty against manufacturer defects, ensuring peace of mind with your purchase.

Technical Specifications

  • Fits: GM 7.5 inch and 7.6 inch differentials
  • Ring Gear Diameter: 7.50 inches
  • Pinion Spline Count: 27 splines
  • Ring Gear Bolts: 10 bolts
  • Gear Ratio: 3.08

Fitment Guide

This ring and pinion set is compatible with a variety of GM vehicles, including:

  • Buick Apollo (1973-1975)
  • Buick Electra (1977-1984)
  • Buick Regal (1978-1983)
  • Buick Skylark (1975-1979)
  • Chevrolet Astro (1985-2005)
  • Chevrolet Camaro (1982-2002)
  • Chevrolet Caprice (1978-1996)
  • Chevrolet Colorado (2004-2012)
  • Chevrolet El Camino (1977-1987)
  • Chevrolet Impala (1977-1985 & 1994-1996)
  • Chevrolet Malibu (1973-1983)
  • Chevrolet Monte Carlo (1978-1988)
  • Chevrolet Nova (1977-1979)
  • Chevrolet S10 (1983-2004)
  • GMC Canyon (2004-2012)
  • GMC Envoy (2002-2005)
  • GMC Jimmy (1991)
  • GMC S15 (1983-1990)
  • GMC Sonoma (1991-2004)
  • Hummer H3 (2006-2010)
  • Hummer H3T (2009-2010)
  • Isuzu Ascender (2003-2008)
  • Isuzu Rodeo (1991-2002)
  • Oldsmobile Bravada (1991-1994 & 1996-2004)
  • Oldsmobile Cutlass (1978-1981)
  • Oldsmobile Cutlass Supreme (1982-1988)
  • Oldsmobile Omega (1976-1979)
  • Pontiac Bonneville (1975-1986)
  • Pontiac Catalina (1977)
  • Pontiac Firebird (1977-2002)
  • Pontiac Grand Prix (1977-1987)
  • Pontiac Ventura (1972-1975)

Customer Feedback

Many users have shared their positive experiences with the ZG GM7.5-308. One Chevrolet Camaro 1995 owner noted, "Swapped my stock gears for these 3.08s, and the acceleration feels much smoother now. Perfect for my daily commute!" Another GMC S15 1990 driver remarked, "Installation was straightforward, and I love the balance between power and efficiency. No more struggling on the highway!"

Whether you're upgrading your classic ride or fine-tuning your modern truck, the ZG GM7.5-308 Ring and Pinion Set is a dependable choice that delivers performance where it counts.

Proposition 65

WARNING: Cancer and Reproductive Harm
https://www.P65Warnings.ca.gov

Vehicle Make/Model
Buick Apollo 1973-1975 Base
Buick Apollo 1975 SR
Buick Electra 1977-1984 Limited
Buick Electra 1977-1979 225
Buick Electra 1978-1984 Park Avenue
Buick Electra 1980-1984 Estate Wagon
Buick Regal 1978-1983 Base
Buick Regal 1978-1982 Sport
Buick Regal 1978-1983 Limited
Buick Regal 1982-1983 Estate Wagon
Buick Regal 1982 Limited Turbo
Buick Regal 1983 T-Type
Buick Skylark 1975-1977 SR
Buick Skylark 1975-1979 Base
Buick Skylark 1976-1979 S
Buick Skylark 1978-1979 Custom
Buick Skylark 1978 Sport
Chevrolet Astro 1985-2005 Base
Chevrolet Astro 1985-1995 CS
Chevrolet Astro 1985-1995 CL
Chevrolet Astro 1987-2005 LT
Chevrolet Astro 1996-2005 LS
Chevrolet Camaro 1982-1986 Berlinetta
Chevrolet Camaro 1982-1987 Sport
Chevrolet Camaro 1982-1987, 1991-2002 Z28
Chevrolet Camaro 1982 Z28 Indianapolis 500 Pace Car
Chevrolet Camaro 1985-1990 Iroc-Z
Chevrolet Camaro 1987 LT
Chevrolet Camaro 1988, 1993-2002 Base
Chevrolet Camaro 1989-1992, 1996-1997 RS
Chevrolet Camaro 1992 RS Heritage Edition
Chevrolet Camaro 1992 Z28 Heritage Edition
Chevrolet Camaro 1993 Indianapolis 500 Pace Car
Chevrolet Camaro 1996-1998 Lujo
Chevrolet Camaro 1998-2002 Z28 SS
Chevrolet Caprice 1978, 1981-1982 Classic Estate
Chevrolet Caprice 1978-1996 Classic
Chevrolet Caprice 1978-1981 Classic Landau
Chevrolet Caprice 1979 Landau
Chevrolet Caprice 1979-1980 Classic Sport
Chevrolet Caprice 1980-1982, 1985-1992 Base
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 Chevelle 1973 Malibu Estate
Chevrolet Chevelle 1973-1977 Malibu
Chevrolet Chevelle 1974-1976 Malibu Classic Estate
Chevrolet Chevelle 1974-1977 Malibu Classic
Chevrolet Colorado 2004-2005 Sport LS
Chevrolet Colorado 2004, 2006-2008 LS
Chevrolet Colorado 2004-2012 Base
Chevrolet Colorado 2004-2005 Z85
Chevrolet Colorado 2004-2005 Z71 LS
Chevrolet Colorado 2004-2005 Sport
Chevrolet Colorado 2004-2005 Z85 LS
Chevrolet Colorado 2004-2005 Z71
Chevrolet Colorado 2006-2012 LT
Chevrolet Colorado 2006-2012 WT
Chevrolet El Camino 1977-1978, 1981-1986 Conquista
Chevrolet El Camino 1977 Classic
Chevrolet El Camino 1977-1987 Base
Chevrolet El Camino 1977-1987 SS
Chevrolet El Camino 1979-1981 Royal Knight
Chevrolet Impala 1977-1985 Base
Chevrolet Impala 1977-1979 Landau
Chevrolet Impala 1977 Custom
Chevrolet Impala 1979-1980 Sport
Chevrolet Impala 1981-1982 Estate
Chevrolet Impala 1994-1996 SS
Chevrolet Malibu 1978-1981 Classic Landau
Chevrolet Malibu 1978-1980 Classic Estate
Chevrolet Malibu 1978-1981 Base
Chevrolet Malibu 1978-1983 Classic
Chevrolet Malibu 1979-1980 Estate
Chevrolet Malibu 1979 Landau
Chevrolet Malibu 1979-1980 Classic Sport
Chevrolet Malibu 1979-1980 Sport
Chevrolet Malibu 1979 Police
Chevrolet Monte Carlo 1978, 1980 Sport
Chevrolet Monte Carlo 1978-1981 Landau
Chevrolet Monte Carlo 1979, 1981-1988 Base
Chevrolet Monte Carlo 1983-1988 SS
Chevrolet Monte Carlo 1983 CL
Chevrolet Monte Carlo 1986-1988 LS
Chevrolet Nova 1977 Concours
Chevrolet Nova 1977-1979 Rally
Chevrolet Nova 1977-1978 Police
Chevrolet Nova 1977-1979 Base
Chevrolet Nova 1978-1979 Custom
Chevrolet S10 1983-1992 Tahoe
Chevrolet S10 1983-2003 Base
Chevrolet S10 1983-1989 Sport
Chevrolet S10 1983-1990 Durango
Chevrolet S10 1991-1993 Maxi
Chevrolet S10 1991 Baja
Chevrolet S10 1992-1993 EL
Chevrolet S10 1994-1998 SS
Chevrolet S10 1994-2004 LS
Chevrolet S10 1994-2003 ZR2
Chevrolet S10 1999-2003 Xtreme
Chevrolet S10 2002-2004 ZR5
GMC Canyon 2004-2005 Z71 Fleet
GMC Canyon 2004-2005 Z85 SL
GMC Canyon 2004-2005 Z71 SLE
GMC Canyon 2004, 2006-2012 SLE
GMC Canyon 2004-2005 Z85 SLE
GMC Canyon 2004, 2006-2008 SL
GMC Canyon 2004-2005 Z71 SL
GMC Canyon 2006-2012 WT
GMC Canyon 2006-2012 SLT
GMC Canyon 2007-2012 Base
GMC Envoy 2002-2005 SLE
GMC Envoy 2002-2005 SLT
GMC Envoy 2005 Denali
GMC Envoy XL 2002-2005 SLT
GMC Envoy XL 2002-2005 SLE
GMC Envoy XL 2005 Denali
GMC Envoy XUV 2004-2005 SLT
GMC Envoy XUV 2004-2005 SLE
GMC Jimmy 1991 Base
GMC S15 1983-1990 High Sierra
GMC S15 1983-1990 Sierra Classic
GMC S15 1983-1990 Base
GMC S15 1983, 1986-1988 Gypsy
GMC S15 1987 EL
GMC S15 Jimmy 1991 SLS
GMC S15 Jimmy 1991 SLT
GMC S15 Jimmy 1991 Base
GMC S15 Jimmy 1991 SLE
GMC Sonoma 1991-2001 SLE
GMC Sonoma 1991-1993 Base
GMC Sonoma 1992 GT
GMC Sonoma 1993-2004 SLS
GMC Sonoma 1994-2004 SL
Hummer H3 2006-2010 Base
Hummer H3 2006-2010 Luxury
Hummer H3 2006-2010 Adventure
Hummer H3 2007-2009 X
Hummer H3 2008-2010 Alpha
Hummer H3 2009 Championship Series
Hummer H3T 2009-2010 Alpha
Hummer H3T 2009-2010 Base
Hummer H3T 2010 Adventure
Isuzu Ascender 2003, 2006 Base
Isuzu Ascender 2003-2006 LS
Isuzu Ascender 2003-2005 Limited
Isuzu Ascender 2004-2005, 2007-2008 S
Isuzu Rodeo 1991-2002 LS
Isuzu Rodeo 1991-2002 S
Isuzu Rodeo 1991-1992 XS
Isuzu Rodeo 1999-2002 LSE
Isuzu Rodeo 2001-2002 S V6
Oldsmobile Bravada 1991-1994, 1996-2004 Base
Oldsmobile Cutlass 1978-1979 Vista Cruiser
Oldsmobile Cutlass 1979 Vista Cruiser Brougham
Oldsmobile Cutlass 1980 Base
Oldsmobile Cutlass 1980-1981 Brougham
Oldsmobile Cutlass 1980-1981 LS
Oldsmobile Cutlass 1981 Supreme
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 Classic
Oldsmobile Cutlass Supreme 1988 Indy 500 Pace Car
Oldsmobile Cutlass Supreme 1988 SL
Oldsmobile Cutlass Supreme 1988 Classic Brougham
Oldsmobile Omega 1976-1977 F85
Oldsmobile Omega 1976-1978 SX
Oldsmobile Omega 1976-1979 Base
Oldsmobile Omega 1976-1979 Brougham
Oldsmobile Omega 1977 Deluxe
Oldsmobile Omega 1978-1979 Brougham LS
Pontiac Bonneville 1975-1986 Base
Pontiac Bonneville 1976-1986 Brougham
Pontiac Bonneville 1978-1981 Safari
Pontiac Bonneville 1984-1986 LE
Pontiac Catalina 1975-1981 Base
Pontiac Catalina 1975-1981 Safari
Pontiac Firebird 1977-2002 Trans Am
Pontiac Firebird 1977-1981, 1989-2002 Formula
Pontiac Firebird 1977-1981 Esprit
Pontiac Firebird 1977-2002 Base
Pontiac Firebird 1982-1986 S/E
Pontiac Firebird 1989 Trans Am GTA SE
Pontiac Firebird 1989-1992 Trans Am GTA
Pontiac Firebird 1994 Trans Am GT
Pontiac Grand Prix 1977-1987 Base
Pontiac Grand Prix 1977-1983 LJ
Pontiac Grand Prix 1977-1980 SJ
Pontiac Grand Prix 1981-1987 Brougham
Pontiac Grand Prix 1984-1987 LE
Pontiac Ventura 1972-1976 Base
Pontiac Ventura 1973-1975 Custom
Pontiac Ventura 1974 GTO
Pontiac Ventura 1975 S
Pontiac Ventura 1975-1976 SJ

USA Standard Gear Banner

Who is USA Standard Gear?

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 Experts

The 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 Product

All 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 Racing

If 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.





USA Standard Gear® ("USA Standard") warrants the original retail purchaser that all USA Standard products will be free from defects in materials and workmanship for the periods shown herein. USA Standard makes no other warranty of any kind, express or implied. All other warranties, including but not limited to an implied warranty of merchantability or fitness for a particular purpose, are excluded. This warranty is offered provided that the USA Standard product has been installed and maintained in accordance with USA Standard instructions, and that it has not been subject to modification, accident, abnormal use or misuse. At USA Standard's discretion, this warranty may be voided if installation of USA Standard product(s) occurs on vehicles with tires that exceed USA Standard Maximum Recommended Tire Size.

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
SpoolAs 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 SetOne (1) YearWarrantied against manufacturing defects for one (1) year.
Positraction DifferentialOne (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 LockerOne (1) YearWarrantied against manufacturers defects for one (1) year.
Install KitsOne (1) Year Includes ZBK, ZPK, and ZK. Covers parts for one year against manufacturing defects.
Spider Gear Kits (ZIK)One (1) YearOne 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.

Check out these other great products