1981 Pontiac Catalina Differential Spools
Your 1981 Pontiac Catalina might be the best vehicle you’ve ever owned. Or you may just be struggling to keep it highway-approved. No matter the situation, Advance Auto Parts has the Differential Spools you desperately need.
We currently carry 13 Differential Spools to choose from for your 1981 Pontiac Catalina, and our inventory prices range from as little as $98.99 up to $649.99.
On top of low prices, Advance Auto Parts offers 4 different trusted brands of Differential Spools for the 1981 Pontiac Catalina. We only sell parts from trusted brands like Motive Gear so that you can find quality parts you can count on.
Have parts delivered straight to your home, or find the nearest Advance Auto Parts store to check out our Differential Spools stock in-person!
Differential Spools for Your 1981 Pontiac Catalina
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:
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Product Features:
- Billet construction
- Not recommended for street applications
- GM7.5″ MINI SPOOL 26 SPLINE
Yukon Gear – Mini Spool For GM 8.5" With 30 Spline Axles (Part No.32233)
from
$188.99
Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to both tires at all times. These units are not recommended for street-driven vehicles. We recommend full spools for vehicles with large tires or high horsepower. These units come with a one year warranty against manufacturing defects.
Product Features:
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Product Features:
- Fits GM 8.5″ with 30 spline axles
- Installs into a standard open carrier case
- Provides 100% traction to both wheels at all times
- Not recommended for street driven vehicles
USA Standard Gear – Spartan Locker For GM 8.5" With 30 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17041)
from
$649.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.
Product Features:
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Product Features:
- Fits GM 18.5″ with 30 spline axles
- Made from 9310 steel for added strength
- Replaces the spiders in a standard carrier case
USA Standard Gear – Spartan Locker For GM 8.5" With 28 Spline Axles, Includes Heavy-Duty Cross Pin Shaft (Part No.17040)
from
$649.99
The Spartan Locker, by USA Standard Gear, provides reliable traction at a low cost. Give your vehicle great traction and save some cash. Choose a Spartan Locker for better traction. The Spartan locker by USA standard gear is a mechanical locker that replaces the spiders in a standard case. The Spartan locker’s design does not use the thrust washers and has a revolutionary spring and pin design that makes installation a snap! The couplers and drivers are made from 9310 steel, for added strength. Each Spartan locker carries a one year warranty against defect.
Product Features:
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Product Features:
- Fits GM 18.5″ with 28 spline axles
- Made from 9310 steel for added strength
- Replaces the spiders in a standard carrier case
Yukon Gear – Steel Spool For GM 8.5" & 8.6" With 30 Spline Axles (Part No.32193)
from
$414.99
Yukon Performance 1-3/4″ deck steel spool for 8.5″ GM with 30 spline axles. Uses large bearings, 1.785 journals. Yukon performance spools are made from the highest quality materials to ensure high strength and long life in performance applications. Spools provide 100% power to both tires at all times and are a lower cost alternative to lockers. Spools are not recommended for street driven vehicles. Yukon Performance spools come with a one year warranty against manufacturing defects. This spool requires the use of a C-Clip eliminator kit to be used.
Product Features:
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Product Features:
- Fits GM 8.5″ with 30 spline axles
- 2.73 and up ratios only
- Provides 100% traction to both wheels at all times
- Not recommended for street driven vehicles
Yukon Gear – Mini Spool For GM 7.5" With 26 Spline Axles (Part No.32228)
from
$277.99
Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to both tires at all times. These units are not recommended for street-driven vehicles. We recommend full spools for vehicles with large tires or high horsepower. These units come with a one year warranty against manufacturing defects.
Product Features:
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Product Features:
- Fits GM 7.5″ with 26 spline axles
- Provides 100% traction to both wheels at all times
- Installs into standard open carrier case
Richmond Gear – Differential Spool (Part No.81-1028-1)
from
$259.99
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:
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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 – Differential Spool (Part No.81-1030-1)
from
$259.99
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 Spool (Part No.FS10-28)
Yukon Gear – Mini Spool For GM 8.5" With 28 Spline Axles (Part No.32232)
from
$165.99
10 bolt Mini Spool for 8.5″ GM with 28 spline axles. Mini spools are a low-cost traction option for vehicles looking for full-time lockup. The mini spool installs into a standard open carrier and give 100% power to both tires at all times. These units are not recommended for street-driven vehicles. We recommend full spools for vehicles with large tires or high horsepower. These units come with a one year warranty against manufacturing defects.
Product Features:
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Product Features:
- Fits GM 8.5″ with 28 spline axles
- Installs into a standard open carrier case
- Provides 100% traction to both wheels at all times
- Not recommended for street driven vehicles
Richmond Gear – MiniSpool (Part No.78-7528-1)
from
$151.99
MiniSpool
USA Standard Gear – Mini Spool For GM 8.5", 28 Spline (Part No.59011)
from
$139.99
Product Features:
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- Fits GM 8.5″ with 28 spline axles
- Installs into a standard open carrier case
- Provides 100% traction to both wheels at all times
- Not recommended for street driven vehicles
- Mini spool
Motive Gear – Differential Mini Spool (Part No.MS10-28)
FAQs for 1981 Pontiac Catalina Differential Spools
What are the most popular Differential Spools for the 1981 Pontiac Catalina?
With 4 brands you can trust, our most popular Differential Spools for the 1981 Pontiac Catalina parts are:
from
$188.99
This product is not rated
Mini Spool For GM 8.5" With 30 Spline Axles
Differential Spools
from
$414.99
This product is not rated
Steel Spool For GM 8.5" & 8.6" With 30 Spline Axles
Differential Spools
