The staples of the fabtech coilover conversion kit are the 4.0 Dirt logic remote reservoir coilover shocks found in the front end. With 9 inches of stroke that can be tuned and valved to your liking, the shock has enough travel to suffi ce for a support truck. The body is electroless nickel plated and fitted with billetmachined ends using Com 12 bearings with 3/4-inch through-bore. one-and-one-quarter-inch inductionhardened chrome shafts compress into the body of the shock. the weight of the 1-ton truck and diesel engine is suspended by 6-3/8-inch-od coil springs.