1971 Mercury Cougar Engine Additives

Essential 1971 Mercury Cougar Engine Additives

Yukon Gear – Grizzly Locker For Ford 8" With 28 Spline Axles (Part No.28006)

Grizzly Locker For Ford 8" With 28 Spline Axles

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$931.99
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 28 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

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$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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Powertrax – No-Slip Traction System (Part No.9206883108)

No-Slip Traction System

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$544.99
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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    Powertrax – Lock Right Locker (Part No.1820-LR)

    Lock Right Locker

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    $442.99
    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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    Yukon Gear – Dura Grip For Ford 7.5" (Part No.26034)

    Dura Grip For Ford 7.5"

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    $793.99
    The Yukon Dura Grip provides aggressive yet smooth traction to give you the confidence & performance you need. Get longer life and better traction with the heavy duty Yukon Dura Grip Positraction. The Yukon Dura Grip uses a nodular case and forged 4320 in

    Product Features:
    • Fits Ford 7.5″
    • 28 spline
    • 4-spring, clutch style positraction
    • Internal gears are manufactured using forged 4320 steel and cut to provide stronger teeth
    • Fully rebuildable
    • Assembled in the USA
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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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    1971 Mercury Cougar Engine Additives

    Maybe you’re in the middle of a full rebuild of that 1971 Mercury Cougar. Maybe you just need a couple of Engine Additives. Either way, Advance Auto Parts has 2 different Engine Additives in our inventory ranging from $17.99 to $537.99. That means you can find the exact parts or products you need to keep that 1971 Mercury Cougar 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 1971 Mercury Cougar. Yukon Gear and Powertrax 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 1971 Mercury Cougar, 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 1971 Mercury Cougar 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 1971 Mercury Cougar Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1971 Mercury Cougar 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 Cougar the best it can be. Be sure to browse some of our top Engine Additives brands and parts.

    FAQs for 1971 Mercury Cougar Engine Additives

    What are the most purchased Engine Additives for the 1971 Mercury Cougar?

    Out of 2 Engine Additives for the 1971 Mercury Cougar, the most popular in our inventory are:
    Friction Modifier / Posi Additive
    from $17.99
    This product is not rated
    Friction Modifier / Posi Additive
    Friction Modifier
    Grip PRO Traction System
    from $537.99
    This product is not rated
    Grip PRO Traction System
    Posi Units and Components