Description
A 3.73 ring and pinion ratio delivers the ideal balance of acceleration and highway cruising for street performance builds and moderate track use. This Allstar kit provides precision-manufactured gears built to OEM tolerances, ensuring smooth engagement and reliable power transfer without compromise. If you’re upgrading your GM 10-bolt rear end for better throttle response and drivability, this is the foundation you need.
- 3.73 gear ratio
- 27-spline pinion
- 2-series construction
- 7.5-inch diameter
- GM 10-bolt housing
- Complete ring & pinion kit
- Precision CNC-cut teeth
- Ready to install






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