Superior's Super 88 Kit Makes Your 8.8 Axle Bomb-Proof
Jan 30, 2007
About the only real complaint you can make about the Ford 8.8 axle is that it uses c-clips. If you ever break a c-clip or snap an axle, you have to deal with the problem right where the vehicle stands because there's nothing to hold the wheel to the axle housing. Superior Axle's Super 88 kit addresses this problem, as well as a couple of others that especially affect people who swap these axles into Jeeps. And of course, their Super 88 kit also includes 4340 chrome moly shafts which greatly improve the strength and reliability over the stock shafts.
The kit comes with the following:
The system fits 1998 and newer Ford Explorers 8.8's with disc brakes.
- Two USA-made 31 spline 4340 chrome moly axles. The axles feature a thicker flange and increased radius to the body for a real strength increase for those side hill moments. This design provides more strength than some aftermarket designs that only increase the thickness of the flange, and is 35% stronger than the stock shafts.
- Two heavy-duty machined axle retainers with spacer rings.
- Complete set of 3/4 ton Timken Roller Bearings™ and Seals.
- Two C-Clip eliminators
- Ten 1/2-20 threaded studs.
- Two axle badges to show your Superior pride.
- The Super 88™ Axle System requires some cutting but no welding. On average it can be installed in your driveway in under 2 hours.
The only part of the installation you have to be particularly careful with is where you cut off the old bearing housings from the axle tubes. If you take your time and err on the side of caution, you'll be fine. Even with this step, the average installation time is about two hours.
Durability should be very good, considering the use of 3/4 ton bearings and the elimination of side loads on the carrier cross shaft.
For Jeep owners who have 8.8's swapped under their trucks, there are two additional benefits:
- The flanges are drilled for 5 on 4.5" and 5 on 5.5" bolt patterns. This is great news for Chrysler Jeep owners because it lets you stick with your factory wheel bolt pattern if you decide to keep your factory front axle, or upgrade to a beefier front axle with a 5 on 5.5" bolt pattern. This is an excellent idea and Superior should be commended for this foresight.
- The axle width increases as a result of the conversion to a semi-floating design. Considering that the stock 8.8 is a bit narrower than the rear axles used in YJ/XJ/TJ/MJ Jeeps, this is a welcome change, because it brings the vehicle closer to its factory steering geometry (think Ackerman angle) and allows extra room wheel travel and the fitment of wider tires.
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