Description
If you’re building a high-performance Mopar setup or upgrading an existing 8.75-inch rear end, a properly geared housing is non-negotiable for extracting maximum power and achieving your target RPM sweet spot. The 3.73 ratio in this 489 case strikes the ideal balance between highway cruising and hard acceleration, making it the go-to choice for street/strip applications and forced induction builds. This complete kit delivers the quality and precision you need for reliable, repeatable performance—whether you’re on the dyno or at the track.
- 3.73 gear ratio
- 489 Mopar case
- 8.75-inch diameter
- 29-spline pinion
- Complete kit
- Bolt-on installation
- Chrysler fitment
