1978 Mercury Zephyr Engine Additives

Essential 1978 Mercury Zephyr Engine Additives

Yukon Gear – Grizzly Locker For Ford 8" With 31 Spline Axles (Part No.28007)

Grizzly Locker For Ford 8" With 31 Spline Axles

from

$941.99
The Yukon Grizzly Locker is the ultimate in locking differentials for street, off-road, & drag racing. Grizzly Lockers provide 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly locker is a mechanical locking differential. It features a forged case and 8620 internals for maximum strength. It’s patented design reduces common locker failures. All units assembled in the USA! All Grizzly Lockers are backed by the best warranty in the business! Yukon covers the replacement unit and covers any collaterally damaged parts and associated labor, up to $2,000!

Product Features:
  • Fits Ford 8″ with 31 spline axles
  • Patented internal design reduces common locker failures
  • 8620 internals for added strength
  • Assembled in the USA
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Powertrax – Grip PRO Traction System (Part No.GT108028)

Grip PRO Traction System

from

$537.99
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!
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Yukon Gear – Friction Modifier / Posi Additive (Part No.15018)

Friction Modifier / Posi Additive

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$17.99
Help keep positraction chatter down with posi additive from Yukon Gear & Axle.

Product Features:
  • positraction additive
  • For use in any clutch-style limited slip
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1978 Mercury Zephyr Engine Additives

Maybe you’re in the middle of a full rebuild of that 1978 Mercury Zephyr. Maybe you just need a couple of Engine Additives. Either way, Advance Auto Parts has 3 different Engine Additives in our inventory ranging from $17.99 to $941.99. That means you can find the exact parts or products you need to keep that 1978 Mercury Zephyr running smoothly.

Engine Additives are only as good as their brand. We stock 2 different brands to make sure you have plenty of trusted parts to choose from for your 1978 Mercury Zephyr. Powertrax and Yukon Gear are just some of the brands we stock. Search for brands you know or compare prices and reviews to help you decide!

We know you’ll find the perfect Engine Additives for your 1978 Mercury Zephyr, but don’t take our word for it – read our customer ratings and reviews and buy with confidence.

So if you’re in the market for aftermarket Engine Additives to keep your 1978 Mercury Zephyr rolling for years to come, look no further. Shop online and have your products shipped direct to your door, or pick up at the nearest Advance Auto Parts location today!

Engine Additives Brands To Make Your 1978 Mercury Zephyr Last

Simple repair, complete replacement, or a full rebuild. No matter the job, your 1978 Mercury Zephyr demands trusted brand parts and products to keep it running. Many trusted brands of Engine Additives make up Advance Auto Parts’ inventory, and all are ready to help make your Zephyr the best it can be. Be sure to browse some of our top Engine Additives brands and parts.

FAQs for 1978 Mercury Zephyr Engine Additives

What are the most purchased Engine Additives for the 1978 Mercury Zephyr?

Out of 3 Engine Additives for the 1978 Mercury Zephyr, the most popular in our inventory are:
Grip PRO Traction System
from $537.99
This product is not rated
Grip PRO Traction System
Posi Units and Components
Grizzly Locker For Ford 8" With 31 Spline Axles
from $941.99
This product is not rated
Grizzly Locker For Ford 8" With 31 Spline Axles
Posi Units and Components
Friction Modifier / Posi Additive
from $17.99
This product is not rated
Friction Modifier / Posi Additive
Friction Modifier