They mechanically lock the rubber to the rim so that sidewall sag from less than stock psi doesn’t drop the bead and leave you stranded. An added bonus to these is that their distinctive look adds to the curb appeal along with other Jeep mods.
The Ranchero is based on a two-door station wagon platform and was marketed as a light pickup that could haul a fair amount of cargo while being easy to operate and drive, like a car. There is not enough space here to cover the various engines and features that were incorporated into the Ranchero over the years, but a few engine choices consisted of a 250 cubic-inch six-cylinder and a variety of V8 power plants that ranged from a standard 302 to a 428 cu-in. (7.0 L) Cobra Jet.
Rock sliders create a solid barrier between your Jeep and a hard surface. Meanwhile, replacing stock bumpers with steel fabricated off-road bumpers protects the front and rear from sharp slams. These can also give a greater angle of approach when going up slopes or coming down from them.
Forged steel rods. Forged steel crank. Forged aluminum pistons. Aluminum heads. Mechanical roller cam. Huge valves. A 7100 rpm redline. A massive 13.1:1 compression ratio that’s well into diesel territory. It all combines to make 776 horsepower, 649 lb-ft, and a whole lot of noise from its 7.4 liters of absolute fury. I’ll let GM explain what that all means.