Rear Axle Kit Fits GM 8.5", 28 Spline 31-5/16" Long, 630125-
USA Standard Gear uses advanced alloys and the latest heat-treating technologies to produce a strong, durable axle. This kit contains all the components to replace, repair, or upgrade axle shafts so your vehicle will be up and running fast.

Fitment
| Year | Make | Model | Driveline |
|---|---|---|---|
| 1982 | Chevrolet | K5 Blazer | RWD |
| 1978-1986 | Chevrolet | C10 | RWD |
| 1978-1986 | Chevrolet | C10 Suburban | RWD |
| 1987 | Chevrolet | R10 | RWD |
| 1987-1988 | Chevrolet | R10 Suburban | RWD |
| 1979-1986 | GMC | C1500 | RWD |
| 1979-1986 | GMC | C1500 Suburban | RWD |
| 1987-1988 | GMC | R1500 Suburban | RWD |
| 1978 | GMC | C15 | RWD |
| 1978 | GMC | C15 Suburban | RWD |
| 1982 | GMC | Jimmy | RWD |
| 1987 | GMC | R1500 | RWD |
Features
- Fits GM 8.5 in. Differential
- Length 31.3125 in.
- 28 Spline
- Rear, 5 Lug
- 2.53 in. OD Wheel Bearing
- Includes Wheel Bearing, Seal, Diff Cover Gasket, Studs, and Lug Nuts
- Advanced Heat-Treating Results in a Stronger, More Durable Axle
Rear Axle Kit Fits GM 8.5" Diff 28 Spline 31-5/16" Long
- SKU : FDHDZA K630125
- Part Number : ZA K630125
$198.89
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