Jeep JK Wrangler Ring and Pinions

West Coast Differentials stocks a complete line of ring and 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! See our parts catalog or contact the WCD sales staff at 800-510-0950 for more information.

AEV Procal Module

AEV ProCal Module The Procal Module from AEV provides functions for large tire recalibration, axle gear ratio recalibration, tire pressure monitor recalibration, daytime running lamp activation/deactivation, one-touch turn signal activation-deactivation, engine idle speed options and precise steering wheel centering. These functions are available for all JK Wranglers including the new 2012 models. Contact the WCD sales staff at 800-510-0950 for more information.

Sierra Gear & Axle

Sierra Gear Ring & Pinion Gear Set

Sierra Gear and Axle produces a premium line of aftermarket ring and pinion 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.

Cut-To-Fit Axle Shafts

Do you have a custom width or hard to find axle housing? West Coast Differentials offers universal cut-to-fit axle shafts for multiple applications including 9” Ford, Dana 44, Dana 60 and 8.75” Chrysler. These are available for both stock and custom spline applications, and feature stock replacement or chromoly material. West Coast Differentials’ cut-to-fit axles feature longer splines, up to 11” so the axle can be measured and cut-to-fit most stock and narrowed rear ends. These versatile axles are also multi-drilled for different bolt patterns. With the correct housing ends, these axles can be used for a wide variety of custom or stock differentials.

Transfer Case Rebuild Kits

Transfer Case Kit West Coast Differentials now stocks Transfer Case Bearing & Seal kits for most light duty applications. The Transfer Case Kit includes bearings, gaskets, seals, shift fork inserts and small parts (where applicable). Call us today to get the Transfer Case Kit you need! Check out the complete Application Chart