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Fits GM 12 bolt TRUCK car 8.875″ ring gear diameter 12 ring gear bolts 3.73 ratio 30 spline pinion Fits GM 12 bolt truck Technical Notes: N/A
Gear, Ring and Pinion, 3.73:1 Ratio, 1.438 in. Pinion, 30 Spline, 8.875 in. Ring Gear, GM 8.875 in., Set
