Alloy USA manufactures heavy-duty axle shafts and other driveline components for racing and off-road use. Alloy USA axle shafts and Precision Gear ring and pinions have been propelling race cars, muscle cars, trucks and 4WD vehicles down highways, back roads, and over the roughest terrain for many years. With their continual quest to provide their customers with the best parts available, it was only natural for Omix-Ada to acquire these companies.

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    • (0 reviews)
      # sp4164
      HD Differential Cover by Alloy USA®. Don't be left stranded out on the trail! Protect your valuable differential with a heavy-duty cover. These covers are made of 3/8" cast steel or 5/16" stamped steel, with extra reinforcement in...
      Protects expensive differential partsPrevents unexpected breakdowns
      $95.99 - $129.99
    • (0 reviews)
      # sp1296
      Drilled and Slotted Rotors by Alloy USA®. These slotted and cross drilled rotors will shed heat, water and brake dust to ensure your brake pads maintain contact for optimal stopping power. They're sold in pairs and available for...
      High quality at an affordable priceExpertly made from premium materials
      $62.99 - $157.99
    • (0 reviews)
      # sp4166
      Ball Joint Kit by Alloy USA®. These adapters will allow you to use wheels with a 5 x 5.5" bolt pattern, and space the wheels 1.25" away from the body to allow the fitment of wider tires. They're hub-centric to maintain wheel...
      Racing inspired design for maximum reliabilityMade from superior materials for long term durability
      $181.99
    • (0 reviews)
      # sp17599
      Universal Joint by Alloy USA®. Material: Cold Forged Steel. Greasable At All 4 Ends. Horsepower is useless if you can't get it to the ground, so you need a stout drivetrain to go along with your high-powered engine. Even a small...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $33.99 - $51.99
    • (0 reviews)
      # sp18372
      Front Axle Hub Assembly by Alloy USA®. Spline: 30. Unit Bearing.
      Replaces inner seal of Alloy USA axle tube sealSecured in housing with snapring
      $125.99
    • (0 reviews)
      # sp32786
      Rear Axle Shaft Seal by Alloy USA®. Grande. If the inner seal wears, you can substitute this replacement seal by removing the snapring from the aluminum axle tube seal housing.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $4.99 - $65.99
    • (0 reviews)
      # sp32785
      Stub Axle by Alloy USA®. Material: Chromoly. Spline: 27. Upgrade your axle shafts for less than the cost of original replacements. These Alloy USA performance axles shafts are made from heavy-duty steel that is heat treated and...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $155.99 - $163.99
    • (0 reviews)
      # sp32784
      Axle Shaft by Alloy USA®.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $9.99 - $2,465.99
    • (0 reviews)
      # sp32014
      Locking Hub Conversion Kit by Alloy USA®. With Maximum Tire Size 33". Improve your Jeep's fuel mileage and reduce wear and tear on your driveline with this manual locking hub conversion kit. It replaces the non-serviceable hubs on...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $1,269.99 - $1,586.99
    • (0 reviews)
      # sp32015
      4WD Disconnect Axle Lock Kit by Alloy USA®. This kit replaces the failure prone original vacuum disconnect system. It includes a cable that allows you to engage and lock the front axle from inside the cab. With this kit you're...
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $127.99
    • (0 reviews)
      # sp32016
      4WD (Four-Wheel Drive) Actuator Fork, Cast Iron by Alloy USA®. This heavy duty shift fork is an upgrade for both the factory Vaccum Disconnect and aftermarket differential cable lock systems.
      Designed to deliver trouble-free, consistent performanceRight for your vehicle and lifestyle
      $29.99
    • (0 reviews)
      # mpn1796824
      Rear Axle Shaft (17134) by Alloy USA®. Size: 28.5". Spline: 26. Finish: Black Oxide. Upgrade your axle shafts for less than the cost of original replacements. These Alloy USA performance axles shafts are made from heavy-duty steel...
      Increased strength and durability in a critical driveline area at a great valueHigh performance upgrade for less than original replacement price
      $117.99
    • (0 reviews)
      # mpn1796177
      Rear Differential Rebuild Kit by Alloy USA®. Includes: Pinion And Carrier Bearings, Pinion Seal And Nut Crush Sleeve Or Shims Gasket Material, Ring Gear Bolts. Rebuilding a differential is a complex process. Make sure you can give...
      Includes everything needed for a successful rebuildNo need to source parts elsewhere
      $159.99
    • (0 reviews)
      # mpn1794358
      Axle Assembly (10600) by Alloy USA®. Material: 4340 Chromoly. Size: 22". Spline: 35. Upgrade your axle shafts for less than the cost of original replacements. These Alloy USA performance axles shafts are made from heavy-duty steel...
      Increased strength and durability in a critical driveline area at a great valueHigh performance upgrade for less than original replacement price
      $237.99
    • (0 reviews)
      # mpn1794359
      Axle Assembly (10601) by Alloy USA®. Material: 4340 Chromoly. Size: 39". Spline: 35. Upgrade your axle shafts for less than the cost of original replacements. These Alloy USA performance axles shafts are made from heavy-duty steel...
      Increased strength and durability in a critical driveline area at a great valueHigh performance upgrade for less than original replacement price
      $327.99
    • (0 reviews)
      # mpn1796810
      Rear Outer Stub Axle by Alloy USA®. Size: 9.72". Spline: 19. Upgrade your axle shafts for less than the cost of original replacements. These Alloy USA performance axles shafts are made from heavy-duty steel that is heat treated and...
      Increased strength and durability in a critical driveline area at a great valueHigh performance upgrade for less than original replacement price
      $155.99
    • (0 reviews)
      # mpn1794861
      Passenger side Passenger side Axle Shaft (10662) by Alloy USA®. Size: 15.97". Spline: 35. Upgrade your axle shafts for less than the cost of original replacements. These Alloy USA performance axles shafts are made from heavy-duty...
      Increased strength and durability in a critical driveline area at a great valueHigh performance upgrade for less than original replacement price
      $227.99
    • (0 reviews)
      # mpn1795293
      Rear Driver side Axle Shaft (21113C) by Alloy USA®. Grande 44. Size: 29.5". Spline: 33. Upgrade your axle shafts for less than the cost of original replacements. These Alloy USA performance axles shafts are made from heavy-duty...
      Increased strength and durability in a critical driveline area at a great valueHigh performance upgrade for less than original replacement price
      $182.99
    • (0 reviews)
      # mpn1794387
      Rear Axle Shaft (17109) by Alloy USA®. Material: Chromoly. Size: 31 5/16". Spline: 30. Upgrade your axle shafts for less than the cost of original replacements. These Alloy USA performance axles shafts are made from heavy-duty...
      Increased strength and durability in a critical driveline area at a great valueHigh performance upgrade for less than original replacement price
      $117.99
    • (0 reviews)
      # mpn1796472
      Front Axle Shaft Seal (16146) by Alloy USA®. Spline: 30. Finish: Grey. Horsepower is useless if you can't get it to the ground, so you need a stout drivetrain to go along with your high-powered engine. Even a small part, if poor...
      Racing inspired design for maximum reliabilityMade from superior materials for long term durability
      $7.99
    • (0 reviews)
      # mpn1794860
      Inner Driver side Inner Driver side Axle Shaft (10661) by Alloy USA®. Size: 35.1". Spline: 35. Upgrade your axle shafts for less than the cost of original replacements. These Alloy USA performance axles shafts are made from...
      Increased strength and durability in a critical driveline area at a great valueHigh performance upgrade for less than original replacement price
      $303.99




    When horsepower under the hood tries to make its way to monster tires, the stock axle shafts can bend, twist and break. The Alloy USA solution is high tensile strength 4340 Chromoly that is heat treated, tempered, and induction hardened to produce axles that are up to 40% stronger than stock. The latest cold spline rolling technology is used to produce splines that are stronger than traditional cut splines, then the shafts are inspected for cracks.

    Alloy USA Videos Alloy USA - About Us

    Alloy USA also specializes in making products that correct common driveline weak spots. The Manual Locking Hub Conversion Kit will reduce wear and tear on your driveline and give you better fuel mileage, by allowing you to lock the hubs when you need 4WD and unlock them so they can freewheel when you don’t. The Differential Cable Lock Kit converts the failure prone original equipment vacuum disconnect system to reliable cable actuation.

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    Axle shaft and ARB locker conversion kits give you stronger axles and 100% traction to the wheels. Limited slip differentials may not limit enough slippage to give you the traction you want, and automatic locking differentials are noisy and may lock unnecessarily. An ARB differential only locks when you need it, but then provides 100% traction to make sure you don’t get stuck. Alloy USA takes pride in developing these and other engineering solutions.

    A combination of monstrous horsepower under your hood and high-traction tires on the ground can quickly reveal any weakness in the drivetrain. To be sure that the drivetrain parts will undoubtedly withstand the rigors of racing and hard driving, the engineers at Alloy USA develop and test every product until it performs just right. When it comes to the design, it is refined through further track testing and then turned into the final product.

    Alloy USA Reviews

    Average rating:  5  4.8 - 1 review
    4.8 of 5
    Looks Cool...
    Was amazed by perfect fitment of tail lights. They were just like on the website. Looks good on my car, too. Installation was rather easy. I like CARiD and will definitely come back to buy more.
    BPosted by Benjamin (Ocean Shores, WA) / November 13, 2012
    2008 Jeep Wrangler
    Was this review helpful for you? Yes1  person found this review helpful.
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