Simple leaf springs keep this Blazer crawling on the trails. One of the upgrades was the front Dana 60 from a Dodge truck. Inside, 5.38 gears spin on an ARB locker and the axle has received the full 35-spline treatment. Reid Racing knuckles move side-to-side with the help of PSC hydro-assist and a Saginaw steering box. The front differential has been shaved about 3/4 inch to increase clearance.