1984 Pontiac Firebird Performance Drivetrains
Keep Your 1984 Pontiac Firebird in Top Shape with Quality Performance Drivetrains
Whether you’re repairing or upgrading your Performance Drivetrain, using high-quality parts is key to keeping your 1984 Pontiac Firebird looking sharp and performing at its best. At Advance Auto Parts we carry a wide selection of dependable options, including Performance Posi Units and Components, Performance Ring and Pinions, and Performance Universal Joints. Whether you’re replacing a damaged part or enhancing your truck’s style and protection, you’ll find exactly what you need to get the job done right.
Competitive Prices and Extensive Inventory
The average price for a 1984 Pontiac Firebird Performance Drivetrain at Advance Auto Parts is around $211.85, with a range that starts at $91.99 and goes up to $350.99. With 14 options in stock from 3 trusted brands, finding the right fit is easy. Popular picks like Differential Mini Spool, RngPnn, and Performance Differential Ring and Pinion start at just $98.99 and offer a great balance of form and function.
Explore Related Parts
While you’re upgrading or replacing your Performance Drivetrain, don’t forget to check out other key components like Performance Fuel Systems and Performance Oil Filters. At Advance Auto Parts, we’re here to help you keep your 1984 Pontiac Firebird in peak condition, inside and out.
Find Your Specific 1984 Pontiac Firebird Performance Drivetrains
Looking for the perfect Performance Drivetrain for your 1984 Pontiac Firebird? You’re in the right place. Below, you’ll find links to various types of Performance Drivetrains that fit your vehicle. At Advance Auto Parts, we offer only the highest quality OEM and aftermarket Performance Drivetrains, ensuring durability and a precise fit for your Pontiac Firebird. Whether you’re driving a 1984 model or another popular model year like
1994,
1995,
1996,
1997,
1998,
1999,
2000,
2001, and
2002, we’ve got you covered. Purchasing Performance Drivetrains from Advance Auto Parts is a smart choice, giving you access to trusted brands and parts built to perform. Below, you’ll find links to various types of Performance Drivetrains that fit your vehicle.
Essential 1984 Pontiac Firebird Performance Drivetrains
Motive Gear – Differential Mini Spool (Part No.MS7.5-26)
from
$98.99
Motive Gear Mini-Spools replace your stock spider and side gears with a solid billet mini-spool for 100% traction to both wheels. Not recommended for street applications.
Product Features:
See More
Product Features:
- Billet construction
- Not recommended for street applications
- GM7.5″ MINI SPOOL 26 SPLINE
Richmond Gear – Differential Mini Spool (Part No.78-1028-1)
from
$124.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!
Product Features:
See More
Product Features:
- For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
- The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
- Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
- Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
- Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
Motive Gear – Differential Mini Spool (Part No.MS12C)
Richmond Gear – RngPnn (Part No.GM75342TK)
from
$191.99
RngPnn
Motive Gear – Performance Differential Ring and Pinion (Part No.G888355)
Richmond Gear – RngPnn (Part No.GM85456)
from
$185.99
RngPnn
Richmond Gear – Differential Ring And Pinion (Part No.49-0017-1)
from
$351.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!
Product Features:
See More
Product Features:
- For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
- The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
- Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
- Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
- Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
Richmond Gear – RngPnn (Part No.12BC355)
from
$191.99
RngPnn
Richmond Gear – RngPnn (Part No.49-0045-1)
from
$350.99
RngPnn
Richmond Gear – RngPnn (Part No.69-0175-1)
from
$407.99
RngPnn
Richmond Gear – RngPnn (Part No.49-0082-1)
from
$491.99
RngPnn
Richmond Gear – RngPnn (Part No.GM75410OE)
from
$191.99
RngPnn
Richmond Gear – Differential Ring And Pinion (Part No.GM85373)
from
$231.99
Excel’s broad line of original equipment automotive and light truck/SUV replacement ring & pinion gears, axles, and installation kits offer Richmond’s high OEM quality at affordable prices. The Excel product line covers the most popular vehicles on the road today.
Product Features:
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Product Features:
- Richmond Gear’s EXCel drivetrain products offer high-quality OEM replacement drivetrain products for your vehicle.
- Richmond Gear’s EXCel line of ring & pinon gearsets provide Richmond quality at affordable prices.
- EXCel offers a broad line of ring and pinion gears, installation kits, and axle shafts to match most vehicles that are on the road today.
- EXCel drivetrain products are engineered to exceed OEM specifications by manufacturing to precise specifications in world-class factories, using the latest heat treatment technology, with extensive quality controls throughout.
- All EXCel drivetrain products are backed by our one year warranty.
Richmond Gear – Differential Ring And Pinion (Part No.69-0378-1)
from
$348.99
Richmond Gear is the leading manufacturer of professional quality, high-performance drivetrain products. Our complete line of products ranges from high performance ring-and-pinion sets for serious street and racing applications to torque-hungry manual transmissions and components. Richmond Gear products have been winners both at the Daytona 500 and U.S. Nationals for decades. WINNERS RUN RICHMOND!
Product Features:
See More
Product Features:
- For over 80-years, the Richmond Double-Diamond logo has represented some of the highest quality gears in the racing industry. Winners Run Richmond!
- The superior quality of Richmond gearsets is a result of outstanding design, world class manufacturing and an extensive testing process that is performed on all products.
- Richmond performance gearsets have been winners for decades at: NHRA, NMRA, NMCA, Daytona 500, WISSOTA and U.S. Nationals.
- Richmond Gear is a leading manufacturer of high performance ring and pinion gearsets and drivetrain components, backed by a two year warranty.
- Engineered to perform faster and be more reliable, Richmond performance drivetrain products are the result of a continuous research and development program combined with state-of-the-art manufacturing capabilities.
Motive Gear – Performance Differential Ring and Pinion (Part No.G885342)
Lakewood – High Performance U-Joint (Part No.23021)
from
$91.99
Lakewood universal replacement U-joints are fatigue- and wear-resistant, the ultimate in strength. Designed with ultra-durable chrome-nickel-moly alloy cross and caps, and special high-carbon steel and induction heat-treated needle bearings.
Product Features:
See More
Product Features:
- Chrome-Nickel-Moly Alloy Cross
- Improved Fatigue Resistance
- High-Carbon Steel Bearings
- Maximize Wear Resistance
- Solid Forged Cross Body
- High Strength
Lakewood – High Performance U-Joint (Part No.23014)
from
$91.99
Lakewood universal replacement U-joints are fatigue- and wear-resistant, the ultimate in strength. Designed with ultra-durable chrome-nickel-moly alloy cross and caps, and special high-carbon steel and induction heat-treated needle bearings.
Product Features:
See More
Product Features:
- Chrome-Nickel-Moly Alloy Cross
- Improved Fatigue Resistance
- High-Carbon Steel Bearings
- Maximize Wear Resistance
- Solid Forged Cross Body
- High Strength
Popular 1984 Pontiac Firebird Performance Drivetrains Categories
Most Popular Performance Posi Units and Component for 1984 Pontiac Firebirds
Enhance your 1984 Pontiac Firebird with this popular Performance Posi Units and Component we have in stock, for $98.99.
Motive Gear – Differential Mini Spool (Part No.MS7.5-26)
from
$98.99
Motive Gear Mini-Spools replace your stock spider and side gears with a solid billet mini-spool for 100% traction to both wheels. Not recommended for street applications.
Product Features:
See More
Product Features:
- Billet construction
- Not recommended for street applications
- GM7.5″ MINI SPOOL 26 SPLINE
Best-Selling 1984 Pontiac Firebird Performance Ring and Pinions
Upgrade your Firebird with one of our 12 best-selling Performance Ring and Pinions.
Motive Gear – Performance Differential Ring and Pinion (Part No.G875390)
Motive Gear – Performance Differential Ring and Pinion (Part No.G875410)
from
$222.99Product Features:
- GM 10BL 7.5 &7.625 R/P 4.10 MGP 10 3/8 X 18 LH THRED BLTS, PD=1.438
Richmond Gear – RngPnn (Part No.GM75373OE)
from
$191.99
RngPnn
Richmond Gear – RngPnn (Part No.GM75342TK)
from
$191.99
RngPnn
Motive Gear – Performance Differential Ring and Pinion (Part No.G875410X)
Richmond Gear – RngPnn (Part No.49-0045-1)
from
$350.99
RngPnn
Motive Gear – Performance Differential Ring and Pinion (Part No.G875308)
Motive Gear – Performance Differential Ring and Pinion (Part No.G875323)
from
$237.99Product Features:
- GM 10BL 7.5 &7.625 R/P 3.23 MGP 10 3/8 X 18 LH THRED BLTS, PD=1.438
Motive Gear – Performance Differential Ring and Pinion (Part No.G875373)
from
$223.99Product Features:
- GM 10BL 7.5 &7.625 R/P 3.73 MGP 10 3/8 X 18 LH THRED BLTS, PD=1.438
Motive Gear – Performance Differential Ring and Pinion (Part No.G875456)
Richmond Gear – RngPnn (Part No.GM75342OE)
from
$191.99
RngPnn
Richmond Gear – RngPnn (Part No.GM75410OE)
from
$191.99
RngPnn
Top-Quality Performance Universal Joints for 1984 Pontiac Firebirds
Choose a high-quality OEM or aftermarket Performance Universal Joint for Pontiac Firebirds and enjoy top-notch performance from $91.99.
Lakewood – High Performance U-Joint (Part No.23021)
from
$91.99
Lakewood universal replacement U-joints are fatigue- and wear-resistant, the ultimate in strength. Designed with ultra-durable chrome-nickel-moly alloy cross and caps, and special high-carbon steel and induction heat-treated needle bearings.
Product Features:
See More
Product Features:
- Chrome-Nickel-Moly Alloy Cross
- Improved Fatigue Resistance
- High-Carbon Steel Bearings
- Maximize Wear Resistance
- Solid Forged Cross Body
- High Strength
FAQs for 1984 Pontiac Firebird Performance Drivetrains
What are the best-selling Performance Drivetrains for 1984 Pontiac Firebirds?
Out of 14 Performance Drivetrains that fit 1984 Pontiac Firebirds, the following parts are the top sellers:
- Differential Mini Spool (19640224) – $98.99
- RngPnn (10586535) – $191.99
- Performance Differential Ring and Pinion (20520602) – $256.99
What’s the price range for 1984 Pontiac Firebird Performance Drivetrains?
The prices of Performance Drivetrains for the 1984 Pontiac Firebird range from $91.99 up to $350.99 for the most premium parts.
What is the average price of a Performance Drivetrain for a 1984 Pontiac Firebird?
The average price for Performance Drivetrains for the 1984 Pontiac Firebird is $211.85. Keep in mind the variety of part types within our Performance Drivetrain category, where you are likely to find a wide range of prices across a variety of parts and components.
Does Advance Auto Parts sell Performance Drivetrains for other Pontiac Firebird model years?
What are the cheapest Performance Drivetrains for my 1984 Pontiac Firebird?
The cheapest 1984 Pontiac Firebird Performance Drivetrains we carry are:
- High Performance U-Joint (22901348) – $91.99
- Differential Mini Spool (19640224) – $98.99
- RngPnn (10586535) – $191.99
- RngPnn (10586668) – $191.99
- RngPnn (10586731) – $191.99
Does Advance Auto Parts sell Performance Drivetrains for any other 1984 Pontiac models?
Yes. We stock Performance Drivetrains for 2 other popular 1984 Pontiac models. Some of the most popular are 1984 Grand Prix Performance Drivetrains, 1984 Bonneville Performance Drivetrains, and 1984 Parisienne Performance Drivetrains.
What types of Performance Drivetrains do you sell for my 1984 Pontiac Firebird?
As of 11/2/25, these are some of the most in-demand types of Performance Drivetrains for a 1984 Pontiac Firebird:
Can I get help with 1984 Pontiac Firebird Performance Drivetrain orders?
Contact our customer support team by chat or phone, through the help desk page, where you can find instant answers about Pontiac Performance Drivetrains and more.
What is your return policy for Pontiac Firebird Performance Drivetrains?
Advance Auto Parts keeps returns simple. For new Pontiac Firebird Performance Drivetrains and accessories, your online orders can be returned, in their original condition, within 45 days. For requirements, see the returns page.