| Item No. |
Part Number |
Name | R.G. Size | Ratios | Req | Spline | Table Name | Years | Price |
Buy |
|
| 1 |
F8.8MSK
|
Master Shim Kit (Not sold sep.)
| | | Ar | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-308C
|
Crown & Pinion, 3.08 ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-342C
|
Crown & Pinion, 3.42 Ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-355C
|
Crown & Pinion, 3.55 Ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-373C
|
Crown & Pinion, 3.73 ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-373CX
|
Crown & Pinion (Thick*), 3.73 ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-390C
|
Crown & Pinion, 3.90 ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-410C
|
Crown & Pinion, 4.10 ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-410CX
|
Crown & Pinion (Thick*), 4.10 ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-430C
|
Crown & Pinion, 4.30 ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-456C
|
Crown & Pinion, 4.56 ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-456CX
|
Crown & Pinion (Thick*), 4.56 ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-488C
|
Crown & Pinion, 4.88 ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-488CX
|
Crown & Pinion (Thick*), 4.88 ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 2 |
GM12-514C
|
Crown & Pinion, 5.14 ratio, Quality Gear
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 4 |
14003451
|
Bolt, Crown
| | | 12 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 6 |
INA 5707
|
Bearing, Axle
| | | 2 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 7 |
NAT 8660S
|
Seal, Axle
| | | 2 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 8 |
--
|
Axle Shaft, Refer to Table
| | | | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 22 |
404-61EYA
|
End Yoke, 1310 Series (404-61EYA or 3104-09)
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 22 |
3879208
|
End Yoke, 1330 Series
| | | 1 | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 23 |
30275
|
Washer
| | | | | Gm 8 7/8" 12 Bolt Rear Differential (Car) | | Log in to see
prices |
|
|
| 9, 10, 11, 12, 13, 14, 15 |
R12
|
Master Overhaul Kit
| | | 1 | | GM 8.875(12 Bolt) Car | | Log in to see
prices |
|
|
| 9 |
3954480
|
Crush Sleeve
| | | 1 | | R12 - Master Rebuild Kit (Car) | | Log in to see
prices |
|
|
| 10 |
KOY M802011
|
Bearing, Inner Pinion (Cup)
| | | 1 | | R12 - Master Rebuild Kit (Car) | | Log in to see
prices |
|
|
| 10 |
KOY M802048
|
Bearing, Inner Pinion (Cone)
| | | 1 | | R12 - Master Rebuild Kit (Car) | | Log in to see
prices |
|
|
| 11 |
KOY LM603012
|
Bearing, Diff Side (Cup)
| | | 2 | | R12 - Master Rebuild Kit (Car) | | Log in to see
prices |
|
|
| 11 |
KOY LM603049
|
Bearing, Diff Side (Cone)
| | | 2 | | R12 - Master Rebuild Kit (Car) | | Log in to see
prices |
|
|
| 12 |
15634848
|
Gasket
| | | 1 | | R12 - Master Rebuild Kit (Car) | | Log in to see
prices |
|
|
| 13 |
3752901
|
Pinion NUT
| | | 1 | | R12 - Master Rebuild Kit (Car) | | Log in to see
prices |
|
|
| 14 |
CRS 19273
|
Seal, Pinion
| | | 1 | | R12 - Master Rebuild Kit (Car) | | Log in to see
prices |
|
|
| 14 |
CRS 17190
|
Seal
| | | 1 | | R12 - Master Rebuild Kit (Car) | | Log in to see
prices |
|
|
| 15 |
KOY M88010
|
Bearing, Pinion Outer (Cup)
| | | 1 | | R12 - Master Rebuild Kit (Car) | | Log in to see
prices |
|
|
| 15 |
KOY M88048
|
Bearing, Pinion Outer (Cone)
| | | 1 | | R12 - Master Rebuild Kit (Car) | | Log in to see
prices |
|
|
| 16, 17, 18, 19, 20, 21 |
GM12-SPGK
|
Internal Nest Kit
| | | 1 | | GM 8.875(12 Bolt) Nest Kit-Open Diff-30 Spline | | Log in to see
prices |
|
|
| 16 |
472546
|
Lockscrew (0.312-18TPI x 2.00 | 0.22405 Pin Dia.)
| | | 1 | | GM12-SPGK - Internal Nest Kit | | Log in to see
prices |
|
|
| 17 |
3931175
|
Shaft, Pinion
| | | 1 | | GM12-SPGK - Internal Nest Kit | | Log in to see
prices |
|
|
| 18 |
3846425
|
Washer, Side Gear
| | | 2 | | GM12-SPGK - Internal Nest Kit | | Log in to see
prices |
|
|
| 19 |
3880141
|
Washer, Pinion Gear
| | | 2 | | GM12-SPGK - Internal Nest Kit | | Log in to see
prices |
|
|
| 20 |
3880140
|
Gear, Pinion
| | | 2 | | GM12-SPGK - Internal Nest Kit | | Log in to see
prices |
|
|
| 21 |
3846078
|
Side Gear
| | | 2 | | GM12-SPGK - Internal Nest Kit | | Log in to see
prices |
|
|
|
187C197A
|
Detroit Locker
| 8 7/8" | 3.08 - 3.90 | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | 1968-72(2) | Log in to see
prices |
|
|
|
187C198A
|
Detroit Locker
| 8 7/8" | 3.08 - 3.90 | | 33 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | 1968-72(2) | Log in to see
prices |
|
|
|
913A555
|
Truetrac (3 Series)
| 8 7/8" | 3.08-3.90 | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | 1968-72(2) | Log in to see
prices |
|
|
|
914A575
|
Truetrac (4 Series)*
| 8 7/8" | 4.10 & Up | | 33 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | 1968-72(1) | Log in to see
prices |
|
|
|
914A576
|
Truetrac (High Perf. Car - Chevelle, Camaro)*
| 8 7/8" | 3.08-3.90 | | 33 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | 1968-72(2) | Log in to see
prices |
|
|
|
813A013
|
Detroit E-Z Locker
| 8 7/8" | 3.73 - 4.88 | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | Up To 1982 | Log in to see
prices |
|
|
|
AUB 542031
|
Auburn Gear Limited Slip (Pro Series) Car
| 8 7/8" | 4.10 & Up | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | 1965-72(1) | Log in to see
prices |
|
|
|
AUB 542033
|
Auburn Gear Limited Slip (Pro Series) Car
| 8 7/8" | 3.07 - 3.90 | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | 1965-72(2) | Log in to see
prices |
|
|
|
545008
|
Auburn Ected
| 8 7/8" | 3.07 - 3.73 | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | 1964-72(2) | Log in to see
prices |
|
|
|
545010
|
Auburn Ected
| 4.10 & Up | 8 7/8" | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | 1964-72(1) | Log in to see
prices |
|
|
|
AUB 544801
|
Auburn Mini Spool
| 8 7/8" | All | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | | Log in to see
prices |
|
|
|
544817
|
Auburn Spool
| 8 7/8" | 4.10 & Up | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | | Log in to see
prices |
|
|
|
544818
|
Auburn Spool
| 8 7/8" | 4.10 & Up | | 33 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | | Log in to see
prices |
|
|
|
19554-010
|
Eaton Limited Slip
| 8 7/8" | 3.07-3.73 | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | 1965-71(2) | Log in to see
prices |
|
|
|
19555-010
|
Eaton Limited Slip
| 8 7/8" | 3.90 & Up | | 30 Spline | Limited Slips And Lockers Available For Gm 8 7/8" 12 Bolt (Car) | 1965-71(1) | Log in to see
prices |
|
|
 |
GM 7.25" - IFS
GM 7.5" - 10 Bolt
GM 7.5" - Locking
GM 8" - 10 Bolt
GM 8.2" - 10 Bolt
GM 8.25" - IFS
GM 8.5" - 10 Bolt
GM 8.5" - 10 Bolt Locking
GM 8.6" - 10 Bolt - Exploded View.JPG "GM 8.875\" - 12 Bolt Truck"){kind=small}
GM 8.875" - 12 Bolt Truck