Ring and Pinions 
Our Facility 
West Coast Differentials has Late-Model Ford SVT Raptor Ring & Pinion Gears!
Raptor Ring & 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.
We Make the Difference
At West Coast Differentials we are committed to making your experience with us totally enjoyable. We think top notch customer service is the most important thing we do. Hence, at West Coast Differentials, We Make the Difference is much more than a slogan.
Differential Parts Distributor
We have your differential parts in stock ready to ship today. West Coast Differentials stocks a complete line of light duty axle parts for Chevrolet, Chrysler, Dana, Ford, GM, Jeep and Toyota axle assemblies.
Same Day Shipping
At West Coast Differentials we think you deserve to have your parts as soon as possible. So most orders placed before 4pm Pacific time ship the same day!
Free Technical Support
West Coast Differentials offers Free Technical Support before and after you buy differential parts from us. Our differential parts experts will make sure you get the right parts the first time!
Product of the Month
Late Model Ford Raptor Ring & Pinion Gears
Free ARB Air Compressors!
The ARB Air Locker FREE Compressor promotion is back!
For a limited time, buy an ARB Air Locker and get a free ARB Compact Air Compressor OR buy any (2) two ARB Air Lockers and get the High-Output Air Compressor. This offer is valid from March 1st through May 31st, 2013. If you’re thinking of installing an ARB Air Locker or Lockers, don’t miss this opportunity! Read more about the ARB Air Compressor Giveaway!
Dana Crate Axles – Complete Axle Assemblies!
Brand-New Complete Dana Crate Axle® Assemblies!
Start your next drivetrain build with a brand new set of Dana Crate Axles, direct from Dana! Get genuine Spicer quality right out of the box with these complete assemblies…….just add brackets and brakes. Read more about the Dana Crate Axle Program. Call for pricing and availability!
Synergy HD Ball Joints
Upgrade your factory Ball Joints with a set of Synergy HD Ball Joints!
Featuring a fully greasable sintered metal on bushing design that has high wear resistance, Synergy Ball Joints outperform the Mopar factory plastic bushings and come complete with a 12-month unlimited warranty. Learn more about Synergy HD Ball Joints
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West Coast Differentials has been providing Quality Brand-Name parts and expert customer service since 1982!
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