If you're looking to re-gear your differential, the USA Standard Gear Ring Gear & Installation Kit is a solid choice. It’s not just a bunch of parts thrown together; this kit comes with everything you need in one neat package. You get a ring and pinion set along with a Master Installation Kit that includes all the bearings, seals, and little bits that make for a smooth install. Trust me, having everything in one box saves a ton of time and hassle.

These guys put their gears through some serious testing in-house, so you can rest easy knowing they’ve passed all the necessary checks for dimensional accuracy, material quality, and fitment. Whether you're commuting to work, tearing up some trails, or just enjoying a spirited drive, these gears are built to handle it all. Plus, they offer a variety of OEM and aftermarket ratios, so you can find just the right fit for your ride.

Specifically, the USA Standard 8.6" GM Rear Ring & Pinion Gear Set with a 3.73 ratio is a great option. This package includes the Master Install Kit, complete with axle bearings and seals, making it a straightforward upgrade. It’s designed for the rear position, so make sure you’re ready to tackle that installation.