Quality Differential Parts since 1982!(800)510-0950
OEM (Original Equipment Manufacturer) ring and pinion gear sets are the highest quality you can buy. We get them directly from the companies that make them for Dodge, Ford, GM and Jeep. These manufacturers have the best engineers, the best gear cutting equipment and the highest standards in the industry. Most gear sets are very reasonably priced. Find OEM gears for your specific application in the “OEM” columns of our catalog.
Sierra Gear and Axle produces a premium line of aftermarket ring and pinion gear sets. These are available for Chrysler, Dodge, Ford, GM, Jeep, Toyota, and Suzuki. These gear sets are designed and engineered to the highest quality specifications for use on the street, off road or on the track. Sierra Gear ring and pinion sets are perfect for stock replacement or gear ratio changes. Find Sierra Gears your specific application in the “Sierra Gear” columns of our catalog.
Richmond Gear is one of the most trusted names in performance ring and pinion sets. These are American made gears intended for heavy duty use on the track and off. Find Richmond Gears your specific application in the “Richmond” columns of our catalog.
US Gear is now a division of General Dynamics. They produce nearly OEM quality ring and pinion sets for a wide range of street and performance applications.
West Coast Differentials stocks a complete line of ring & pinion sets for the Jeep Wrangler JK. These are available in low off road ratios like 4.56, 4.88, 5.13 and 5.38 for all Dana 30 and Dana 44 front and rear axles. These high quality Sierra Gear & Axle gear sets are engineered for easy set up to make changing the gear ratio in your JK Wrangler a snap!
Get yours today...Call before 4PM PST and your order can usually be shipped out the same day!
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