1999-2010 F250 & F350 USA Standard 3.73 Ring and Pinion for 10.5" Differential USZGF10.5-373-31

USA Standard Quality

USA Standard Gear designs and manufactures their ring and pinion sets with a level of precision and quality usually only found in higher price ranges. This set fits a 10.5" differential and features a 3.73 ring with 12 ring gear bolts and a 31 spine pinion, and meets the same specifications as the OEM components to ensure proper fitment. Manufactured to meet rigorous quality standards, the USA Standard Ring and Pinion set makes an excellent high-quality choice for replacement gears and gear ratio changes.

Economical and Reliable

It's always good to save a few bucks, but it's never good to compromise on quality. Thankfully, USA Standard Gear offers this high quality ring and pinion set at an affordable price point so you can install with confidence without breaking the bank. While not meant for quiet-running vehicles, this ring and pinion set will get the job done quickly and reliably.

One-Year Warranty

Considering the uncompromised quality of the USA Standard Gear Ring and Pinion set, it's no surprise they're able to back it up with a one-year warranty against all manufacturer defects.

Installation note: We highly recommend you pick up the USA Standard Bearing and Seal Kit to accompany the installation of this ring & pinion set.