Description
If you’re looking to improve acceleration and overall drivability without compromising highway cruising, a 3.42 ring and pinion swap is one of the most cost-effective upgrades available. This ratio strikes the ideal balance for street and light track use, dropping your engine RPM on the highway while delivering quicker off-the-line response. Paired with a quality gear set like this GM 8.5 unit, you get the precision engagement and durability needed for consistent performance.
- 3.42 gear ratio
- 30-spline pinion
- GM 10-bolt compatible
- 8.5″ / 8.6″ housing
- Complete ring & pinion kit
- High-performance grade
- Bolt-in installation
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