OX has been making selectable lockers for over 20 years. We attribute our success to our commitment to quality. We achieve this with a great team using the best materials, manufacturing, and metallurgical processes.

OX Offroad Proudly made in the USA ... Dana 44 Axle Kit 30 Spline, Ford/Bronco $ 791.19 Add to cart; Dana 44 Axle Kit 30 Spline, Bronco $ 791.19 Add to cart; GM 10 Bolt 8.5 Front 28 Spline $ 768.19 Add to cart; GM 10 Bolt 8.5 Front 30 Spline $ 768.19 Add to cart; Ford 8.8 C-Clip Eliminator Axle Kit

Shop by axle series: Please select the image that most closely matches your differential cover... Feel free to cross-reference our application guides, or give us a call if you are still having trouble finding the right series.

OX lockers are designed to operate with those lubricants recommended by the vehicle/axle manufacturer. No special lubricant is needed. For very cold weather applications, use the lightest oil the axle manufacturer will allow to overcome possible sluggish operation.

Dana 44 OX Lockers are offered with 2 case breaks just like the factory differentials. A case break of 3.73 and numerically lower gear ratios and a case break for 3.92 and numerically higher gear ratios. They are also offered in (30 spline factory spline count) and 33 & 35 spline for aftermarket axle shaft upgrades.

Dana 60/70/80 35 Spline Full Float 39.5″ CTL $ 320.00 Add to cart Dana 60/70/80 30 Spline Full Float 33.5″ CTL $ 285.00 Add to cart Dana 60/70/80 35 Spline Full Float 43.5″ CTL $ 285.00 Add to cart Dana 60/70/80 35 Spline Full Float 33.5″ CTL

The OX Extreme Duty U-Joint could be the last U-Joint you’ll ever need to install. The unique patented design completely eliminates weak points typical to most U-joints. Our U-joints are designed to withstand some of the most abusive and extreme conditions, such as competitive uses like rock crawling and off road racing.

727-230-7803 [email protected] 11405 Challenger Ave, Odessa FL; 8am-4pm EST

Dana 60 OX Lockers are offered with 2 case breaks just like the factory differentials. A case break of 4.10 and numerically lower gear ratios and a case break for 4.56 and numerically higher gear ratios.

OK, here is where the confusion kicks in, the differences between TruLok and non-TruLok or more commonly known as Rubicon and non-Rubicon are: The carrier bearings, the cross pin offset, the axle shaft spline counts (for rear only), and the axle lengths.