Eaton Posi Performance Differential - GM 8.5" 10 Bolt, 1971-89 GM Passenger Car - 28 Spline, 1.20" Axle Diameter - 2.73 Ratio and Up 25BONUS Pad measurements are the same 88450 Chevy Small Bock Gen Size:Medium AERFCM4025
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Ships within 48 hours · Estimated delivery Sep 16 - Sep 21