1981 GMC K2500 Engine Additives

Essential 1981 GMC K2500 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 – Lock Right Locker (Part No.1950-LR)

Lock Right Locker

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$487.99
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!

Product Features:
  • Powertrax® proves that you don’t have to choose between the superior traction of a locking differential and smooth handling and drivability of an open differential. Powertrax Lock-Right Lockers, No-Slip Traction Systems and GRIP limited slip differentials and lockers give you 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 – No-Slip Traction System (Part No.9204443020)

No-Slip Traction System

from

$553.99
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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    Powertrax – No-Slip Traction System (Part No.9204443000)

    No-Slip Traction System

    from

    $530.99
    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

    1981 GMC K2500 Engine Additives

    Maybe you’re in the middle of a full rebuild of that 1981 GMC K2500. Maybe you just need a couple of Engine Additives. Either way, Advance Auto Parts has 5 different Engine Additives in our inventory ranging from $17.99 to $553.99. That means you can find the exact parts or products you need to keep that 1981 GMC K2500 running smoothly.

    Engine Additives are only as good as their brand. We stock 3 different brands to make sure you have plenty of trusted parts to choose from for your 1981 GMC K2500. Yukon Gear, Powertrax, and Richmond 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 1981 GMC K2500, 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 1981 GMC K2500 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 1981 GMC K2500 Last

    Simple repair, complete replacement, or a full rebuild. No matter the job, your 1981 GMC K2500 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 K2500 the best it can be. Be sure to browse some of our top Engine Additives brands and parts.

    FAQs for 1981 GMC K2500 Engine Additives

    What are the most purchased Engine Additives for the 1981 GMC K2500?

    Out of 5 Engine Additives for the 1981 GMC K2500, the most popular in our inventory are:
    Differential Spool
    from $267.99
    This product is not rated
    Differential Spool
    Posi Units and Components
    Lock Right Locker
    from $487.99
    This product is not rated
    Lock Right Locker
    Posi Units and Components
    No-Slip Traction System
    from $553.99
    This product is not rated
    No-Slip Traction System
    Posi Units and Components