For all the serious off-roaders out there, you know the importance of having top-notch traction. Prepare your rig for anything by equipping it with a trac-lok differential and a locking differential. There won't be a hill you can't handle. Or, if you prefer race cars to big trucks, a spool differential is just what you need to keep your axles locked in place and ready to race. We have all of the different types of differential add-ons you need, right here.
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Go for a dose of classic 4-clutch posi-traction with the Yukon Gear & Axle Dura Grip Positraction Unit. By transferring torque to the tire with the most traction, this posi rear end delivers aggressive, yet smooth traction. Based on the race-proven spring design used by GM for years. 1-year warranty.
Grab the ground like a bear with the Yukon Gear & Axle Grizzly Locker. Delivering 100% power to both drive wheels, this mechanical positive-locking differential allows disengagement for turns. Forged 8620 case & 8620 triple-alloy internals make it the best rear differential on the market. 1-year warranty.
Zip into max traction with the Yukon Gear & Axle Zip Locker. Air powered, this competition-grade zip locker goes from open diff to 100% lockup at the touch of a button. Forged 8620 steel case & 4320 chromoly internals for off-road strength. 2-year warranty.
Hook up both wheels with the Yukon Gear & Axle Mini-Spool. The affordable alternative to lockers, this high-performance mini spool diff slips into the factory-open carrier, replacing the spider gears while retaining factory c-clips, delivering 100% power to both tires at all times. 1-year warranty.
Wind up for maximum traction with Yukon Gear & Axle Full Spools. Completely replacing heavy and weak differential carriers, this high-performance differential spool delivers 100% power to both tires at all times. Much more affordable than lockers. 1-year warranty.
Replace or upgrade your OEM Powr-Loc or Spicer 44 limited slip with the Yukon Gear & Axle Powr-Loc Locker. Designed to replace worn, hard-to-find and discontinued models, this is a reproduction of one of the most aggressive and strongest limited slip differentials ever made. 1-year warranty.
Upgrade or replace your factory Trac-Loc with the Yukon Gear & Axle Trac-Loc Locker. This Trac Loc posi system is a vastly improved reproduction and direct replacement of worn out and hard-to-find Ford 8" and Ford 9" Trac-Loc systems. 1-year warranty.
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For superior off-road and race performance, your ride needs the added traction that differential spools, slip differentials and locking differentials have to offer. The overall purpose of locking your axles together is to allow your ride to grip the ground more securely. All of your lockers, posi-trac and spool needs are backed by our 1-year, lower price guarantee and ship for free in the United States.