Next remove the cross pin by removing the set screw. I used a clean pan so I could reuse the fluid since it was not very old. Use a pan to catch the fluid as it comes out when you remove the cover. Withe axles free to move you can now remove the differential cover. Removing the brake drums proved to be the most difficult part of this job because there was a ridge of rust or brake dust built up that just didn’t want to come over the shoes for some reason. The first step is to lift the Jeep and remove the rear wheels and the brake drums. Otherwise you will have to return the wrong one like I did. My advice is measure before you buy to make sure you are getting the right one. However, I found my 91 had the larger size. Various web sites show the change over point at 93 or 94. Fits Ford 10.25' and 10.Installing a Spartan Locker in my 1991 XJīefore you purchase a locker for a Dana 35 you need to determine the size of the spider gears.It’s a serious piece of mechanical engineering for serious driving situations. The Grizzly Locker’s larger teeth also resist breakage caused by shock-loading or catastrophic axle failure. Its inner clutch teeth have a larger radius at the base, which offers up to 350% greater strength versus back-cut designs. The Yukon Grizzly Locker is a patented design that features innovations that make it tougher than the competition. The unit provides 100% power to both tires, while still allowing for disengagement while negotiating turns. The Yukon Grizzly Locker is a mechanical positive-locking differential that’s engineered for rock crawling, serious trail running, off-road racing, and drag racing. Everything about the Yukon Grizzly Locker is hardcore, its casing and gears, its advanced gear tooth design, and its impact on traction and performance.

Dana 35 spartan locker drag