Quality Differential Parts since 1982!
Get More for Less. Save on the Trusted Air Locker. $100 average retail price reduction across the entire Air Locker product line.
ARB Air Locker – The Original. The Toughest. Still The Best.
Ford Racing is first to market with Differential Parts for the 2015+ Mustang GT, and West Coast Differentials has got them in stock! We’ve got Ring & Pinion Gears, Install Kits and two different limited-slip units for the redesigned 8.8″ IRS center section. Read more…..
We’ve got Ring & Pinion Gears, Install & Repair Kits, Locking Differentials and Positraction Units for a variety of applications. Call our Sales Department for more information.
Looking for more traction for your 2010 and newer Ram 1500, Dodge Durango or Jeep Grand Cherokee? Check out Auburn’s new High Performance Series Limited-Slip Differential for Chrysler 9.25″ “ZF”. Get the details here including application information.
The ARB Air Locker Traction Pack for Jeep JK Wrangler is here! Get two ARB Air Lockers, an ARB Air Compressor and tire inflation accessories at a savings of $299.00 over purchasing the items separately. See more details about the ARB Traction Pack
Ford Raptor Ring and Pinion Gears are available in 3.55, 3.73, 4.10, 4.56 and 4.88 ratios. Call our Differential and Axle Specialists for details.
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Tech Topics include everything from Differential Identification to Installation Instructions and New Gear Break-In Procedure
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Our LIVE Differential Parts Experts are ready to take your call Monday thru Friday from 8AM to 5PM.
Most orders received before 4PM Pacific Standard Time will be shipped out the SAME DAY, with next day delivery via ground service to most of the West Coast!
Gear & Axle Package Deals
Eaton Elocker 4 - Dana 44 Four Pinion
Ford 8.8 TrueTrac
Ford 9" TrueTrac 35-Spline 5-Pinion
Dana Crate Axles
14-Bolt Detroit TrueTrac
2010+ V8 Camaro Parts
Tacoma 4.11 Gears
Timken Hub Assemblies
Nissan Titan Lockers