If you’re looking to really amp up your differential’s performance, the USA Standard Gear Re-gear & Traction Kit is a solid choice. It’s not just a bunch of parts thrown together; it’s a carefully crafted package that includes everything you need—a ring and pinion set, an installation kit, and a Yukon Dura Grip limited slip positraction unit. Trust me, this isn’t just for show. The Dura Grip gives you that smooth yet aggressive traction that makes you feel in control, whether you’re cruising down the highway or tackling some gnarly trails. Plus, it’s built to last. With a high-strength nodular case and forged 4320 chromoly spider gears, you know it can take a beating. And if something does wear out? It’s completely rebuildable, which is a big plus for anyone who likes to keep their gear in top shape.

USA Standard really puts their products through the wringer with in-house testing to ensure they meet all the necessary standards for dimensional accuracy, material quality, and fitment. This kit is available in a range of OEM and aftermarket ratios, so whether you’re just commuting or pushing your rig to the limits, these gears are up for the challenge. The 4.11 ratio in this particular package is a nice balance for both daily driving and some spirited off-roading. It’s a straightforward way to boost your traction by upgrading to a more aggressive gear ratio while also adding that LSD. You’ll feel the difference right away.

Features

• California Proposition 65: No

Ford F-350 1999-2016 ZGK2181 USA Standard Gear 11.25" Dana 80 4.11 Rear Ring & Pinion, Install Kit, 35 Spline Posi, 4.375" BRG Ford F-350 Rear 1999-2016.