Description
A560530 2.73-up Ratio 30 Spline Open Differential Case Assembly for 1999-2018 GM and AAM 8-1/2" and 8.6" semi-float 10 Bolt Rear Axles.
A560530 has 1.78" hub diameter and can be made to retro fit 1971-1998 8.5, 8.6 30 Spline Rear Axle applications by using QU50988 and QU50630 bearings
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