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Experience Means Your Job is Done Right

Western Differential began it origin as a high performance custom engine and speed shop in Tucson back in 1973, and has remained as a family owned and operated differential and custom shop in its present location since 1985. Our background and extensive experience includes over 33 years with personal involvement in engine building, drag racing, street rods, pro fuel cars, pro off-road trucks, and custom 4WD off-road vehicles. We have the know how to build the right custom differential and other components to suit your personal needs and horse power.

We have been at our location on Kleindale in Tucson since 1985. We have 6,200 square feet that house the store, office, parts warehouse and work areas.

Everyone at Western Differential makes quality their priority, selling and installing only American made differential parts where ever possible. They believe in person to person contact and look forward to hearing from you to answer any questions you may have.