Regear the differential in your 2001-2004 Chevy/GMC 6.6L LB7 Duramax with an all-in-one kit. To suit your particular requirement, these kits are offered in a vast array of gear ratios to suit your vehicle needs, gear ratio, and tire sizes. These kits include the ring & pinion, races, seals, and bearings you need for installation. Find top-tier manufacturers such as Nitro Gear & Axle and Yukon Gear & Axle.
