The West Coast Differentials catalog includes listings for our most common parts and the most common differential applications. Common differential parts include ring & pinion gear sets, open, posi, limited slip and locking differentials, spools, differential rebuild, repair and overhaul kits, internal spider gear kits, and stock and performance axle shafts. We also stock (but do not list in our catalog) individual bearings, seals, shims, yokes, internal parts, tools, used parts, parts for less common differentials, and much more. We can also special order non stocking parts.
If you don’t see it, ask one of our differential and axle technical experts!
View or Download a copy of our current Differential Parts Catalog!.
The ProCal Module is an easy way for Jeep Wrangler JK owners to correct the speedometer and shift points when larger tires are installed and gear ratios have been changed.
The Procal Module 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. Owners of earlier versions of the ProCal can send their module in for a re-flash, updating software for use with 2012 model JK's.
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