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12 Bolt GM Truck

11-1/2" |
- RG Diameter 8.875"
- 12 3/8" X 24 RH Threaded Bolts
- PINION Diameter 1.438", 30 Spline
CASE: 2.56 -2.73, 2.76-3.42 & 3.73 Numerically Higher
8620 Material Heat-Treated
Assembly Specifications:
- Cover Bolt Ft. Lbs. 20
- Pinion Brg. Preload In. Lbs 24-25
- Pinion Brg. Preload In. Lbs 10-15 Used
- Ring Gear Backlash .005-.009
- Ring Gear Bolt to case Ft. Lbs. 90
- Side Brg. Caps Ft. Lbs. 60
| Model | Year |
| G20, G25 | 64-82 |
| G10, G15 | 64-81 |
| K10, K15, C10, C15 | 64-82 |
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12T GM 3.73 THICK R&P (FITS 2.76-3.42 CASE)
$222.14
SKU: GM12T-373T-MG
12T GM 3.73 THICK R&P (FITS 2.76-3.42 CASE) Learn More
12T GM 4.11 THICK R&P (FITS 2.76-3.42 CASE)
$274.24
SKU: GM12T-411T-MG
12T GM 4.11 THICK R&P (FITS 2.76-3.42 CASE) Learn More
GM 12 65-69 Truck Left OR Right 30.75 30 Spline 6 LUG
Regular Price: $156.00
Special Price: $150.00
SKU: G3893605
Rear Axle; GM 12 65-69 Truck Left or Right 30.75 30 Spline Learn More
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