Description
A 3.42 ring and pinion ratio gives you the perfect balance between off-the-line acceleration and highway cruising in an 8.5-inch GM 10-bolt setup. This kit delivers the mechanical advantage needed for street performance without sacrificing top-end efficiency. Whether you’re upgrading for better launch characteristics or replacing worn gearing, this is a direct bolt-in solution that transforms how your rear end performs.
- 3.42 Ratio
- 30 Spline Pinion
- 8.5 inch Housing
- GM 10-Bolt
- Complete Kit
- Bolt-On Installation
- OEM Replacement
