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Alloy USA

Alloy USA uses high strength 4140 Chromoly in all its Jeep axles. Axles are heat-treated twice and induction hardened to produce heavy-duty axles that are 35% stronger than stock 1040 axles. Alloy USA uses the latest cold spline rolling technology to produce splines that are stronger than traditional cut splines. Our shafts are covered by a 10-year warranty! Rear axle shaft kits include everything you need for your instal: both passenger and drive side shafts, seals, bearings and wheel studs.

Precision Gear

Precision Gear had its beginning over 25 years ago developing specialty application ring and pinion gear sets for race cars and off road vehicles. By continually applying the same performance criteria to each new product, Precision Gear has steadily grown and now offers the industry’s largest selection of specialty gears. We also have a full line of high performance gears sets, bearing kits and locking differentials.


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  1. 4-Piece Ball Joint Kit, 07-14 Jeep Wrangler & 99-04 Grand Cherokee

    This complete 4-piece upper and lower ball joint kit from Alloy USA fits 07-14 Jeep Wrangler (JK) and 99-04 Grand Cherokee (WJ). Learn More

  2. 4-piece Ball Joint Kit, 84-98 Jeep Cherokees and 87-06 Jeep Wranglers

    This 4-pc heavy-duty front balljoint kit includes 2 upper and 2 lower balljoints. Fit 84-01 Jeep Cherokee, 93-98 Grand Cherokee, and 87-06 Wrangler Learn More

  3. 4-Piece HD Ball Joint Kit, 72-86 Jeep CJ & 74-91 SJ Models

    This 4 piece heavy-duty Ball Joint Kit from Alloy USA fits 72-86 Jeep CJ and 74-91 SJ models. Includes 2 upper and 2 lower balljoints. Learn More

  4. Ball Joint Kit D30 or 44

    Ball Joint Kit Dana 30 or 44 By Precision Gear Learn More

  5. Spindle Nut Conversion Kit F1

    Spindle Nut Conversion Kit F1 By Precision Gear Learn More

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