1981 Chevrolet Impala Posi Units and Components

Your 1981 Chevrolet Impala 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 Posi Units and Components you desperately need.

We currently carry 3 Posi Units and Components to choose from for your 1981 Chevrolet Impala, and our inventory prices range from as little as $53.99 up to $518.99.

On top of low prices, Advance Auto Parts offers 3 different trusted brands of Posi Units and Components for the 1981 Chevrolet Impala. 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 Posi Units and Components stock in-person!

Posi Units and Components for Your 1981 Chevrolet Impala

Powertrax – No-Slip Traction System (Part No.9207752605)

No-Slip Traction System

from

$518.99
For vehicles that are driven daily, the Powertrax No-Slip Traction System is the latest design in quiet traction-adding differential technology. It combines the automatic street-friendly smooth operation of a limited-slip differential with the traction performance of a locking differential. The Powertrax No-Slip locker easily installs in to your differential carrier using basic tools and without affecting your ring and pinion settings. Powertrax Grip-Lok, Lock-Right Lockers and No-Slip Traction Systems automatically provide 100% traction on-demand, under the toughest circumstances. The Powertrax Grip-Pro and Grip-LS performance limited slips offer smooth dependable torque transfer and traction for the best of both worlds!The Powertrax® Lock-Right Locker provides outstanding traction for off-road machines and race vehicles. Powertrax No-Slip Traction Systems deliver excellent performance to street-driven cars and trucks.Powertrax® lockers range from the original, Lock-Right for serious straight-line performance, to the No-Slip traction system for street-able vehicles.Powertrax® offers three levels of GRIP locking differentials, ranging from the clutch-type GRIP LS with a forged steel case, the gear-driven GRIP PRO and finally the GRIP LOK for extreme traction.Powertrax® = Extreme Traction Systems!
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Richmond Gear – Differential Spool (Part No.81-1033-1)

Differential Spool

from

$267.99
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:
  • 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.
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Motive Gear – Differential Pinion Solid Spacer Kit w/Shims (Part No.4101)

Differential Pinion Solid Spacer Kit w/Shims

from

$53.99


Product Features:
  • GM12 BOLT CAR SOLID SPACER & SHIMS
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FAQs for 1981 Chevrolet Impala Posi Units and Components

What are the most popular Posi Units and Components for the 1981 Chevrolet Impala?

With 3 brands you can trust, our most popular Posi Units and Components for the 1981 Chevrolet Impala parts are:
Differential Spool
from $267.99
This product is not rated
Differential Spool
Posi Units and Components
No-Slip Traction System
from $518.99
This product is not rated
No-Slip Traction System
Posi Units and Components
Differential Pinion Solid Spacer Kit w/Shims
from $53.99
This product is not rated
Differential Pinion Solid Spacer Kit w/Shims
Posi Units and Components