We stock new ring & pinion sets as well as differential bearing kits. We also have a large inventory of used differential parts.  Our large stocked inventory on parts will undoubtedly fill your needs. Don't see what you're looking for?   If we don't have the part on hand, we can find it for you.  Contact Us for more information. PART # DESCRIPTION R10R 8.5 GM 10 BOLT R12R 8.875 GM 12 BOLT (TRUCK)  R8.8 FORD 8.8   DESCRIPTION GM10BI / 28 SPLINE GM10BI-30 / 30 SPLINE GM12BI / 12 BOLT (Truck) F9-10 / 9" SPLINE / 31 SPLINE / 2 PINION F9-CPK / CLUTCH PACK / FORD 9" F10.25BI / FORD 10.25 M19546A / FRICTION MODIFIER / FORD ADDITIVE   DESCRIPTION F8.8-3.55 F8.8-3.73 F10.25-3.55 GM7.5-3.42 GM10-3.42 GM10-3.73 GM10-4.10 GM10.5-3.73 GM10.5-4.10 GM10.5-4.56 GM12-3.08 (Truck) GM12-3.42 (Truck) GM12-4.11 (Truck)   DESCRIPTION EATON POSI GM10 BOLT 30 SPL 19559-1 AUBURN POSI GM10 BOLT 28 SPL 542018 AUBURN POSI GM10 BOLT 30 SPL 542022 AUBURN POSI GM8.6 10 BOLT 542097 FORD OEM F8.8 31 SPL

4714 S. Zarzamora St. San Antonio, TX 78211 Map This Location

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