1978 Pontiac Grand Safari Performance Posi Units and Components

Your 1978 Pontiac Grand Safari 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 Performance Posi Units and Components you desperately need.

We currently carry 3 Performance Posi Units and Components to choose from for your 1978 Pontiac Grand Safari, and our inventory prices range from as little as $124.99 up to $368.99.

On top of low prices, Advance Auto Parts offers 2 different trusted brands of Performance Posi Units and Components for the 1978 Pontiac Grand Safari. We only sell parts from trusted brands like Powertrax 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 Performance Posi Units and Components stock in-person!

Performance Posi Units and Components for Your 1978 Pontiac Grand Safari

Powertrax – Lock Right Locker (Part No.1921-LR)

Lock Right Locker

from

$368.99
The Powertrax Lock-Right ultra-strength alloy locker’s straight-line performance is equal to a solid spool, but automatically unlocks in turns. Best suited for extreme off-road to severe on-road use, Powertrax Lock Right lockers replace the spider gears in your open differential carrier using basic tools and without affecting your ring and pinion settings. The whole job can be done in your driveway in a couple of hours, pin included! 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 Mini Spool (Part No.78-1028-1)

Differential Mini Spool

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:
  • 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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Richmond Gear – MiniSpool (Part No.78-7526-1)

MiniSpool

from

$124.99
MiniSpool

FAQs for 1978 Pontiac Grand Safari Performance Posi Units and Components

What are the most popular Performance Posi Units and Components for the 1978 Pontiac Grand Safari?

With 2 brands you can trust, our most popular Performance Posi Units and Components for the 1978 Pontiac Grand Safari parts are:
MiniSpool
from $124.99
This product is not rated
MiniSpool
Performance Posi Units and Components
Differential Mini Spool
from $124.99
This product is not rated
Differential Mini Spool
Performance Posi Units and Components
Lock Right Locker
from $368.99
This product is not rated
Lock Right Locker
Performance Posi Units and Components