Pontiac Firebird Differential Ring and Pinion Kits

Your Pontiac Firebird will be happy to know that the search for the right Differential Ring and Pinion Kits you’ve been looking for is over! Advance Auto Parts has 26 different Differential Ring and Pinion Kits for your vehicle, ready for shipping or in-store pick up. The best part is, our Pontiac Firebird Differential Ring and Pinion Kits start from as little as $619.99.

When it comes to your Pontiac Firebird, you want parts and products from only trusted brands. Here at Advance Auto Parts, we work with only top reliable Differential Ring and Pinion Kits brands so you can shop with complete confidence. We’re sure you will get the right product to keep that Firebird running for a long time.

Shop online, find the best price on the right product, and have it shipped right to your door. If you prefer to shop in person for the right Differential Ring and Pinion Kits for your Firebird, visit one of our local Advance Auto Parts locations and you’ll be back on the road in no time!

Compare 25 Pontiac Differential Ring and Pinion Kits

Yukon Gear – 7.5" GM 3.73 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings (Part No.10642)

7.5" GM 3.73 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings

from

$2219.99
7.5" GM 3.73 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings

Yukon Gear – 7.5" GM 3.23 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings (Part No.10640)

7.5" GM 3.23 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings

from

$2041.99
7.5" GM 3.23 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings

Yukon Gear – 7.5/7.625 GM 3.73 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings (Part No.10646)

7.5/7.625 GM 3.73 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings

from

$1839.99
Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle. If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

Product Features:
  • This particular kit contains a 3.73 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Pro Kits feature the highest quality components and are backed by the best warranty in the business.
  • Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
See More

Yukon Gear – 7.5/7.625 GM 4.11 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings (Part No.10647)

7.5/7.625 GM 4.11 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings

from

$1784.99
Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle. If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

Product Features:
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Pro Kits feature the highest quality components and are backed by the best warranty in the business.
  • Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
  • With 27 Spline Pinion Shaft
See More

Yukon Gear – 7.5/7.625 GM 3.42 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings (Part No.10645)

7.5/7.625 GM 3.42 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings

from

$1724.99
Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle. If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

Product Features:
  • This particular kit contains a 3.42 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Pro Kits feature the highest quality components and are backed by the best warranty in the business.
  • Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
See More

Yukon Gear – 7.5/7.625 GM 3.23 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings (Part No.10644)

7.5/7.625 GM 3.23 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings

from

$1704.99
Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle. If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

Product Features:
  • This particular kit contains a 3.23 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Pro Kits feature the highest quality components and are backed by the best warranty in the business.
  • Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
See More

Yukon Gear – 7.5" GM 4.11 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings (Part No.10643)

7.5" GM 4.11 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings

from

$1704.99
Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle. If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

Product Features:
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Pro Kits feature the highest quality components and are backed by the best warranty in the business.
  • Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
  • With 27 Spline Pinion Shaft
See More

Yukon Gear – 7.5" GM 3.42 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings (Part No.10641)

7.5" GM 3.42 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings

from

$1594.99
Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle. If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

Product Features:
  • This particular kit contains a 3.42 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Pro Kits feature the highest quality components and are backed by the best warranty in the business.
  • Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
See More

USA Standard Gear – 7.5/7.625 GM 3.42 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings (Part No.10700)

7.5/7.625 GM 3.42 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings

from

$1520.00
USA Standard Gear Re-gear & Traction Kits are an easy way to dramatical increase performance of a differential in one simple part number. The kits package a ring and pinion set, an installation kit, and a Yukon Dura Grip limited slip positraction unit. Yukon Dura Grips provide smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. USA Standard Gear employs rigorous in-house quality testing and inspections to ensure its gears pass dimensional, material, and fitment testing. Available in a wide variety of OEM and aftermarket ratios, USA Standard Gear ring and pinion sets are ready to withstand the rigors of everyday commuting, trail running, and all types of spirited driving. This kit is a great way to increase traction by upgrading to a more aggressive gear ratio and adding an LSD in one fell swoop.

Product Features:
  • This particular kit contains a 3.42 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • Quick Kits provide a one-stop shopping experience that allows you to easily find the correct parts for common differential repairs at an affordable price.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
See More

USA Standard Gear – 7.5/7.625 GM 4.11 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings (Part No.10702)

7.5/7.625 GM 4.11 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings

from

$1500.00
USA Standard Gear Re-gear & Traction Kits are an easy way to dramatical increase performance of a differential in one simple part number. The kits package a ring and pinion set, an installation kit, and a Yukon Dura Grip limited slip positraction unit. Yukon Dura Grips provide smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. USA Standard Gear employs rigorous in-house quality testing and inspections to ensure its gears pass dimensional, material, and fitment testing. Available in a wide variety of OEM and aftermarket ratios, USA Standard Gear ring and pinion sets are ready to withstand the rigors of everyday commuting, trail running, and all types of spirited driving. This kit is a great way to increase traction by upgrading to a more aggressive gear ratio and adding an LSD in one fell swoop.

Product Features:
  • This particular kit contains a 4.11 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • Quick Kits provide a one-stop shopping experience that allows you to easily find the correct parts for common differential repairs at an affordable price.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
See More

USA Standard Gear – GEAR KIT PACKAGE (Part No.10701)

GEAR KIT PACKAGE

from

$1500.00
GEAR KIT PACKAGE

USA Standard Gear – 7.5/7.625 GM 3.23 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings (Part No.10699)

7.5/7.625 GM 3.23 Rear Ring & Pinion, Install Kit, 28spl Posi, Axle Bearings

from

$1485.00
USA Standard Gear Re-gear & Traction Kits are an easy way to dramatical increase performance of a differential in one simple part number. The kits package a ring and pinion set, an installation kit, and a Yukon Dura Grip limited slip positraction unit. Yukon Dura Grips provide smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. USA Standard Gear employs rigorous in-house quality testing and inspections to ensure its gears pass dimensional, material, and fitment testing. Available in a wide variety of OEM and aftermarket ratios, USA Standard Gear ring and pinion sets are ready to withstand the rigors of everyday commuting, trail running, and all types of spirited driving. This kit is a great way to increase traction by upgrading to a more aggressive gear ratio and adding an LSD in one fell swoop.

Product Features:
  • This particular kit contains a 3.23 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • Quick Kits provide a one-stop shopping experience that allows you to easily find the correct parts for common differential repairs at an affordable price.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
See More

USA Standard Gear – 7.5" GM 3.42 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings (Part No.10696)

7.5" GM 3.42 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings

from

$1435.00
USA Standard Gear Re-gear & Traction Kits are an easy way to dramatical increase performance of a differential in one simple part number. The kits package a ring and pinion set, an installation kit, and a Yukon Dura Grip limited slip positraction unit. Yukon Dura Grips provide smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. USA Standard Gear employs rigorous in-house quality testing and inspections to ensure its gears pass dimensional, material, and fitment testing. Available in a wide variety of OEM and aftermarket ratios, USA Standard Gear ring and pinion sets are ready to withstand the rigors of everyday commuting, trail running, and all types of spirited driving. This kit is a great way to increase traction by upgrading to a more aggressive gear ratio and adding an LSD in one fell swoop.

Product Features:
  • This particular kit contains a 3.42 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • Quick Kits provide a one-stop shopping experience that allows you to easily find the correct parts for common differential repairs at an affordable price.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
See More

USA Standard Gear – 7.5" GM 4.11 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings (Part No.10698)

7.5" GM 4.11 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings

from

$1430.00
USA Standard Gear Re-gear & Traction Kits are an easy way to dramatical increase performance of a differential in one simple part number. The kits package a ring and pinion set, an installation kit, and a Yukon Dura Grip limited slip positraction unit. Yukon Dura Grips provide smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. USA Standard Gear employs rigorous in-house quality testing and inspections to ensure its gears pass dimensional, material, and fitment testing. Available in a wide variety of OEM and aftermarket ratios, USA Standard Gear ring and pinion sets are ready to withstand the rigors of everyday commuting, trail running, and all types of spirited driving. This kit is a great way to increase traction by upgrading to a more aggressive gear ratio and adding an LSD in one fell swoop.

Product Features:
  • This particular kit contains a 4.11 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • Quick Kits provide a one-stop shopping experience that allows you to easily find the correct parts for common differential repairs at an affordable price.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
See More

USA Standard Gear – 7.5" GM 3.23 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings (Part No.10695)

7.5" GM 3.23 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings

from

$1415.00
USA Standard Gear Re-gear & Traction Kits are an easy way to dramatical increase performance of a differential in one simple part number. The kits package a ring and pinion set, an installation kit, and a Yukon Dura Grip limited slip positraction unit. Yukon Dura Grips provide smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. USA Standard Gear employs rigorous in-house quality testing and inspections to ensure its gears pass dimensional, material, and fitment testing. Available in a wide variety of OEM and aftermarket ratios, USA Standard Gear ring and pinion sets are ready to withstand the rigors of everyday commuting, trail running, and all types of spirited driving. This kit is a great way to increase traction by upgrading to a more aggressive gear ratio and adding an LSD in one fell swoop.

Product Features:
  • This particular kit contains a 3.23 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • Quick Kits provide a one-stop shopping experience that allows you to easily find the correct parts for common differential repairs at an affordable price.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
See More

USA Standard Gear – 7.5" GM 3.73 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings (Part No.10697)

7.5" GM 3.73 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings

from

$1379.99
USA Standard Gear Re-gear & Traction Kits are an easy way to dramatical increase performance of a differential in one simple part number. The kits package a ring and pinion set, an installation kit, and a Yukon Dura Grip limited slip positraction unit. Yukon Dura Grips provide smooth yet aggressive traction, giving you the confidence and performance you need across a wide variety of terrains. The Dura Grip is engineered for long life and is completely rebuildable. Dura Grips are constructed with a high strength nodular case, forged 4320 chromoly spider gears, and composite clutches. USA Standard Gear employs rigorous in-house quality testing and inspections to ensure its gears pass dimensional, material, and fitment testing. Available in a wide variety of OEM and aftermarket ratios, USA Standard Gear ring and pinion sets are ready to withstand the rigors of everyday commuting, trail running, and all types of spirited driving. This kit is a great way to increase traction by upgrading to a more aggressive gear ratio and adding an LSD in one fell swoop.

Product Features:
  • This particular kit contains a 3.73 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • Quick Kits provide a one-stop shopping experience that allows you to easily find the correct parts for common differential repairs at an affordable price.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • The Gear and Install Kit Includes Yukon Dura Grip Clutch Style Limited Slip (LSD); All Positraction units are fully rebuildable.
See More

Yukon Gear – 7.5"/7.625" GM 3.73 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings (Part No.10638)

7.5"/7.625" GM 3.73 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings

from

$874.99
Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle. If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

Product Features:
  • This particular kit contains a 3.73 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Pro Kits feature the highest quality components and are backed by the best warranty in the business.
  • Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • Fits Carrier Cases Designed for 3.23 & Up Gear Ratio
See More

Yukon Gear – 7.5"/7.625" GM 4.11 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings (Part No.10639)

7.5"/7.625" GM 4.11 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings

from

$814.99
Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle. If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

Product Features:
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Pro Kits feature the highest quality components and are backed by the best warranty in the business.
  • Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • Fits Carrier Cases Designed for 3.23 & Up Gear Ratio
  • With 27 Spline Pinion Shaft
See More

Yukon Gear – 7.5"/7.625" GM 3.42 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings (Part No.10637)

7.5"/7.625" GM 3.42 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings

from

$784.99
Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle. If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

Product Features:
  • This particular kit contains a 3.42 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Pro Kits feature the highest quality components and are backed by the best warranty in the business.
  • Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • Fits Carrier Cases Designed for 3.23 & Up Gear Ratio
See More

Yukon Gear – 7.5"/7.625" GM 3.23 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings (Part No.10636)

7.5"/7.625" GM 3.23 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings

from

$784.99
Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle. If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

Product Features:
  • This particular kit contains a 3.23 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Pro Kits feature the highest quality components and are backed by the best warranty in the business.
  • Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • Fits Carrier Cases Designed for 3.23 & Up Gear Ratio
See More

Yukon Gear – 7.5"/7.625" GM 3.08 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings (Part No.10635)

7.5"/7.625" GM 3.08 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings

from

$759.99
Yukon Gear Kits combine all the parts you need for your re-gear project. It delivers front and rear ring and pinion gear sets and the proper Yukon Master Overhaul Kits in one single part number. Yukon Gear & Axle high-performance ring and pinion gear sets are the benchmark of quality in the automotive gear industry. Yukon engineers use state-of-the art design, advanced heat-treating techniques, and leading-edge quality testing processes to ensure the structure and surface finish meet exacting specifications and quality standards. These kits contain the gears, bearings, and all the small parts needed to fully rebuild your differential(s) and come in ratios from 3.73 to 5.38. Yukon offers its Y.E.S. Plan, a lifetime, comprehensive, no-questions-asked protection plan covering your gear set kit for as long as you own your vehicle. If you are thinking about increasing tire size, looking for more towing power, enhancing off-road prowess, or just replacing worn gears, these convenient combo kits have everything your vehicle will need. Save money and time by letting Yukon pair the right high-quality gears with most comprehensive installation kits you can buy, all with one simple mouse click.

Product Features:
  • This particular kit contains a 3.08 Ring & Pinion Gear Set
  • For Applications with 12 Bolt Rear Cover and 10 Bolt Ring Gear
  • Pro Kits feature the highest quality components and are backed by the best warranty in the business.
  • Pro Kits include premium Yukon ring and pinion sets, Yukon Master Install kits with high quality Timken bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • With 27 Spline Pinion Shaft
See More

USA Standard Gear – 7.5"/7.625" GM 4.11 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings (Part No.10694)

7.5"/7.625" GM 4.11 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings

from

$644.99
USA Standard Gear Ring Gear & Installation Kits are an easy way to re-gear a differential with one simple part number. The kits package a ring and pinion set with a Master Installation Kit that contains all the bearings, seals, and small parts needed for a proper install. USA Standard Gear employs rigorous in-house quality testing and inspections to ensure its gears pass dimensional, material, and fitment testing. Available in a wide variety of OEM and aftermarket ratios, USA Standard Gear ring and pinion sets are ready to withstand the rigors of everyday commuting, trail running, and all types of spirited driving.

Product Features:
  • This particular kit contains a 4.11 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • Quick Kits provide a one-stop shopping experience that allows you to easily find the correct parts for common differential repairs at an affordable price.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • Fits Carrier Cases Designed for 3.23 & Up Gear Ratio
See More

USA Standard Gear – 7.5"/7.625" GM 3.08 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings (Part No.10690)

7.5"/7.625" GM 3.08 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings

from

$639.99
USA Standard Gear Ring Gear & Installation Kits are an easy way to re-gear a differential with one simple part number. The kits package a ring and pinion set with a Master Installation Kit that contains all the bearings, seals, and small parts needed for a proper install. USA Standard Gear employs rigorous in-house quality testing and inspections to ensure its gears pass dimensional, material, and fitment testing. Available in a wide variety of OEM and aftermarket ratios, USA Standard Gear ring and pinion sets are ready to withstand the rigors of everyday commuting, trail running, and all types of spirited driving.

Product Features:
  • This particular kit contains a 3.08 Ring & Pinion Gear Set
  • For Applications with 12 Bolt Rear Cover and 10 Bolt Ring Gear
  • Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • Quick Kits provide a one-stop shopping experience that allows you to easily find the correct parts for common differential repairs at an affordable price.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • USA Standard Quick Kits provide four convenient differential repair packages to save time and money by including everything you need in one simple part number.
See More

USA Standard Gear – 7.5"/7.625" GM 3.23 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings (Part No.10691)

7.5"/7.625" GM 3.23 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings

from

$634.99
7.5"/7.625" GM 3.23 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings

USA Standard Gear – 7.5"/7.625" GM 3.73 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings (Part No.10693)

7.5"/7.625" GM 3.73 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings

from

$624.99
USA Standard Gear Ring Gear & Installation Kits are an easy way to re-gear a differential with one simple part number. The kits package a ring and pinion set with a Master Installation Kit that contains all the bearings, seals, and small parts needed for a proper install. USA Standard Gear employs rigorous in-house quality testing and inspections to ensure its gears pass dimensional, material, and fitment testing. Available in a wide variety of OEM and aftermarket ratios, USA Standard Gear ring and pinion sets are ready to withstand the rigors of everyday commuting, trail running, and all types of spirited driving.

Product Features:
  • This particular kit contains a 3.73 Ring & Pinion Gear Set
  • For Applications with 10 Bolt Rear Cover and 10 Bolt Ring Gear
  • Quick Kits feature USA Standard ring and pinion gear set, Master Install kit with high quality Koyo bearings and the necessary small parts required to get vehicles off the lift and back on the road quickly.
  • Quick Kits provide a one-stop shopping experience that allows you to easily find the correct parts for common differential repairs at an affordable price.
  • The Gear and Install Kit Includes Axle Bearings & Seals
  • Fits Carrier Cases Designed for 3.23 & Up Gear Ratio
See More

FAQs for Pontiac Firebird Differential Ring and Pinion Kits

What are the most popular Differential Ring and Pinion Kits for the Pontiac Firebird?

With 2 brands you can trust, our most popular Differential Ring and Pinion Kits for the Pontiac Firebird are:
7.5" GM 3.23 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings
from $2041.99
This product is not rated
7.5" GM 3.23 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings
Differential Ring and Pinion Kits
7.5" GM 3.73 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings
from $1379.99
This product is not rated
7.5" GM 3.73 Rear Ring & Pinion, Install Kit, 26spl Posi, 2.25" Axle Bearings
Differential Ring and Pinion Kits
7.5"/7.625" GM 3.23 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings
from $634.99
This product is not rated
7.5"/7.625" GM 3.23 Rear Ring & Pinion, Install Kit, 2.25" OD Axle Bearings
Differential Ring and Pinion Kits