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undefined Lockers, Posi-Tracs & Spools

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.
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.
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Customer Reviews

Yukon Grizzly Lockers

Grizzly Locker and 488 Gears

So far just driving the steer very happy with the gears and locker. True test to be determined next month out on the trails. Thanks for a great product. Would recommend to anyone. View more reviews...
Posted By Mike T (ALLENDALE, MI) / June 3, 2015
1968 Jeep Wagoneer
Yukon Dura Grip Positraction Units

2005 Dodge Ram Daytona

I put this in and the 4.56 Yukon gears and, wow! It woke the beast up. Very fast shipping,and they will give you the best price on the phone! Pleasant experience. thanks! View more reviews...
Posted By Gary P (OLATHE, KS) / March 26, 2015
2010 Chevy Camaro
Yukon Zip Lockers

Must have for dd/off-roader

Professional install suggested. It works as it should. View more reviews...
Posted By Sani H (Staten Island, NY) / March 30, 2014
2006 Jeep Wrangler