Description
A 3.73 gear ratio strikes the ideal balance between highway cruising efficiency and off-the-line acceleration for GM truck applications. Whether you’re towing heavy loads or pushing performance, this ratio maximizes torque multiplication without sacrificing fuel economy. This bolt-on kit includes everything needed for a complete 12-bolt rear axle refresh.
- 3.73 gear ratio
- 30-spline pinion
- GM 12-bolt housing
- 8.875-inch diameter
- 4-series construction
- Complete kit
- Bolt-on installation
- MPN: 49-0280-1
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