Differential Installation Kits for GM and Chevy Axles
Sierra Gear and Axle’s Differential Repair and Installation Kits for GM are the most complete in the industry. We assemble each kit using only the highest quality components like Timken Bearings and National Seals. Each of our kits
Several different kits are available for each application, each tailored for the type of differential repair being performed. Whether you’re doing a complete differential repair, differential gear ratio change, budget rebuild or pinion bearing replacement, we have got the ideal kit for you.
To view KIT CONTENTS and descriptions, please click HERE and scroll to the bottom of the page
Axle Bearing and Seal Kits can be found HERE
Application Chart:
Ring and Pinion Repair and Installation Kits application chart.
Differential Repair & Installation Kits |
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| GM Application: | Master Kit | Bearing Kit | Pinion Kit | Mini Kit |
| ’55 Truck / Passenger | IK GM55 | BK GM55 | PK GM55 | MK GM55 |
| ’63-’79 Corvette | IK VET | BK VET | PK VET | MK VET |
| ’97-’05 C5 Vette Getrag | BK VETGR | |||
| 7.25″ – GM IFS | IK GM7.25 | BK GM7.25 | PK GM7.25 | MK GM7.25 |
| 7.25″ – GM ’03 & Up | IK GM7.25B | BK GM7.25B | ||
| 7.25″ – GM Trailblazer SS | IK GM7.25C | BK GM7.25C | ||
| 7.5″ – ’81 & Down | IK GM7.5 | BK GM7.5 | PK GM7.5 | MK GM7.5 |
| 7.5″ – GM ’82 – ’02 | IK GM7.5B | BK GM7.5B | PK GM7.5B | MK GM7.5B |
| 7.6″ – GM ’00 & Up Rear, H3 Front | IK GM7.6 | BK GM7.6 | PK GM7.6 | MK GM7.6 |
| 7.6″ – Camaro V6 | IK GM7.6 | BK GM7.6 | PK GM7.6 | MK GM7.6 |
| 7.75″ – Borg Warner | IK GM7.75 | BK GM7.75 | PK GM7.75 | |
| 8″ | IK GM8 | BK GM8 | PK GM8 | MK GM8 |
| 8″ – GTO | IK GTO | BK GTO | PK GTO | MK GTO |
| 8.2″ | IK GM8.2 | BK GM8.2 | PK GM8.2 | MK GM8.2 |
| 8.2″ – BOP | IK BP8.2 | BK BP8.2 | PK BP8.2 | MK BP8.2 |
| 8.25″ – IFS | IK GM8.25 | BK GM8.25 | PK GM8.25 | MK GM8.25 |
| 8.5″ Rear – ’95 & Down | IK GM8.5 | BK GM8.5 | PK GM8.5 | MK GM8.5 |
| 8.5″ Front – ’88 & Down | IK GM8.5F | BK GM8.5F | PK GM8.5F | MK GM8.5F |
| 8.5″ – TrueTrac, Detroit, AG Pro ’95 & Down | IK GM8.5E | BK GM8.5E | PK GM8.5 | MK GM8.5 |
| 8.6″ LM501349 – ’96-’99 | IK GM8.6 | BK GM8.6 | PK GM8.6 | MK GM8.6 |
| 8.6″ – ’96-’99 Eaton, AG Pro, Detroit, TT | IK GM8.6E | BK GM8.6E | PK GM8.6 | MK GM8.6 |
| 8.6″ – ’99-’08 LM603049 | IK GM8.6B | BK GM8.6B | PK GM8.6 | MK GM8.6B |
| 8.6″ – ’09 – ’18 | IK GM8.6C | BK GM8.6C | PK GM8.6C | |
| 8.6″ – ’19 & Up | IK GM8.6C | BK GM8.6C | PK GM8.6C | |
| 8.6″ Camaro V8 | IK GM8.6CAM | BK GM8.6CAM | PK GM8.6CAM | MK GM8.6CAM |
| 8.75″ 12B R/G 10B Cover | IK GM8.75 | BK GM8.75 | ||
| 8.875″ 10B | IK GM8.875 | BK GM8.875 | ||
| 12 Bolt Passenger | IK GM12P | BK GM12P | PK GM12P | MK GM12P |
| 12 Bolt Truck | IK GM12T | BK GM12T | PK GM12T | MK GM12T |
| 9.25″ IFS | IK GM9.25 | BK GM9.25 | PK GM9.25 | MK GM9.25 |
| 9.5″ – ’95 & Down | IK GM9.5 | BK GM9.5 | PK GM9.5 | MK GM9.5 |
| 9.5″ – ’96 – ’13 | IK GM9.5B | BK GM9.5B | PK GM9.5B | MK GM9.5B |
| 9.5″ – ’14 – ’18 | IK GM9.5C | BK GM9.5C | PK GM9.5C | MK GM9.5C |
| 9.5″ – ’19 & Up | BK GM9.5D | |||
| 9.76″ – ’14 & Up | BK GM9.76 | PK GM9.76 | ||
| 9.76″ – ’14 to ’18 Conversion | IK GM9.76CONV | |||
| 9.76″ – ’19 & Up | BK GM9.5D | |||
| 10.5″ – ’88 & Down | IK GM10.5 | BK GM10.5 | PK GM10.5 | MK GM10.5 |
| 10.5″ – ’88-’95 | IK GM10.5B | BK GM10.5B | PK GM10.5B | MK GM10.5B |
| 10.5″ – ’96 & Up | IK GM10.5C | BK GM10.5C | PK GM10.5C | MK GM10.5C |
| 11.5″ – ’01-’10 | IK A11.5 | BK A11.5 | PK A11.5 | MK A11.5 |
| 11.5″ – ’11-’18 | IK A11.5B | BK A11.5B | PK A11.5B | MK A11.5 |
| HO72 w/o Load Bolt | IK GMHO72 | BK GMHO72 | PK GMHO72 | |
| HO72 w/ Load Bolt | IK GMHO72B | BK GMHO72B | PK GMHO72B | |
Find a Dealer
Find the application and ratio you need? Locate a Sierra Gear & Axle Distributor near you.
Gear Calculator
Doing a gear ratio change but not sure what you want? Try our Differential Gear Calculator.