Strange Engineering offers replacement gear sets for its 10 ½”, 12” and 12 ¼” live axle rear end assemblies. Options for the 12” and 12 1/4” rears are limited to the 3.20 ratio while the 10 ½” live axle has 2.91, 3.20, and 4.11 ratios available. When investing in a new ring and pinion, it is important to use new bearings, seals, ring gear bolts and other essential installation components.
