Ford Thunderbird Engine Additives

Your One-Stop Shop For Trusted Ford Thunderbird Engine Additives

If you’re in search of Ford Thunderbird Engine Additives aftermarket or OEM parts, consider your search over! Advance Auto Parts carries 7 Engine Additives from top brands with prices ranging from $17.99 to $834.99.

Beyond great prices, we stock trusted brands manufacturing all types of Engine Additives for your Ford Thunderbird. Of the 2 OEM and aftermarket parts brands we carry, some of the most popular are Yukon Gear and Powertrax.

And don’t forget to read customer reviews across all Engine Additives categories in our catalog. Buy with confidence by leveraging past customer experiences of our aftermarket and OEM parts.

At Advance Auto Parts, we don’t think top quality Engine Additives have to cost top dollar, and we prove it. Browse our top Ford Thunderbird Engine Additives below, order online to ship to your home, or head into your nearest Advance Auto Parts location to get started.

Essential Ford Thunderbird Engine Additives

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

Friction Modifier / Posi Additive

from

$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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Powertrax – Grip PRO Traction System (Part No.GT109028)

Grip PRO Traction System

from

$496.99
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 – Grip LS Traction System (Part No.LS109031)

Grip LS Traction System

from

$451.99
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 – Lock Right Locker (Part No.1820-LR)

Lock Right Locker

from

$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!
  • See More

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

    No-Slip Traction System

    from

    $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!
  • See More

    Powertrax – No-Slip Traction System (Part No.9206902800)

    No-Slip Traction System

    from

    $551.99
    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!
  • See More

    Yukon Gear – Dura Grip Positraction For Ford 8.8" With 28 Spline Axles (Part No.26005)

    Dura Grip Positraction For Ford 8.8" With 28 Spline Axles

    from

    $834.99
    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 internals for added strength along with composite clutches for high performance and long life. All units are Rebuildable and many offer upgrades to increase aggressiveness for racing applications. Each unit carries a one year warranty against defects.

    Product Features:
    • Fits Ford 8.8″ with 28 spline axles
    • 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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    Engine Additives Brands You Can Trust For Your Ford Thunderbird

    2 trusted brands of Engine Additives line our shelves, ready to help keep your Ford Thunderbird running smooth. Below are some of the most popular brands and their top Engine Additives offerings:

    Popular Powertrax Engine Additives

    Powertrax products for the Ford Thunderbird span several categories. Some of the highest-rated Powertrax Engine Additives that will fit your Ford Thunderbird are:
    No-Slip Traction System
    from $551.99
    (1)
    No-Slip Traction System
    Posi Units and Components

    Most Purchased Ford Thunderbird Engine Additives from Yukon Gear

    When you buy the most frequently purchased Yukon Gear brand Engine Additives, you can be confident it will be the right part for your Ford Thunderbird. Here are the Yukon Gear Engine Additives Advanced Auto customers buy the most:
    Dura Grip Positraction For Ford 8.8" With 28 Spline Axles
    from $834.99
    This product is not rated
    Dura Grip Positraction For Ford 8.8" With 28 Spline Axles
    Posi Units and Components
    Friction Modifier / Posi Additive
    from $17.99
    This product is not rated
    Friction Modifier / Posi Additive
    Friction Modifier
    No-Slip Traction System
    from $551.99
    (1)
    No-Slip Traction System
    Posi Units and Components

    FAQs for Ford Thunderbird Engine Additives

    What are the most purchased Engine Additives for the Ford Thunderbird?

    Out of 7 Engine Additives for the Ford Thunderbird, the most popular in our inventory are:
    Dura Grip Positraction For Ford 8.8" With 28 Spline Axles
    from $834.99
    This product is not rated
    Dura Grip Positraction For Ford 8.8" With 28 Spline Axles
    Posi Units and Components
    Lock Right Locker
    from $442.99
    This product is not rated
    Lock Right Locker
    Posi Units and Components
    Grip PRO Traction System
    from $496.99
    This product is not rated
    Grip PRO Traction System
    Posi Units and Components