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 random assortment of parts; this kit comes with everything you need to get the job done right. You’ll find a ring and pinion set paired with a Master Installation Kit that includes all the bearings, seals, and little bits that make for a smooth install. Trust me, you don’t want to be halfway through a job and realize you’re missing a crucial piece.

The 11.25" Dana 80 with a 3.73 ratio is particularly noteworthy. This thin gear set is designed to fit snugly in a 4 Series Carrier Case, which is great for those who want to maintain their vehicle’s performance without sacrificing reliability. Plus, the 4.375" O.D. Inner Pinion Bearing Race (NP673386/ NP516549) ensures a solid fit, minimizing any potential hiccups down the line.