The Dirt Logic 4.0 Piggy Back Resi Coilover is built to deliver maximum off-road damping performance while retaining excellent highway ride comfort. Designed for full-size vehicles that demand the strongest and most capable suspension components, this high-end coilover provides extreme control, durability, and stability in a true bolt-on configuration.
With its massive 4.0-inch shock body and integrated piggyback reservoir, the Dirt Logic 4.0 dramatically increases oil capacity and cooling efficiency. This results in consistent, fade-resistant performance during aggressive off-road driving, making it the ultimate solution for serious off-road applications using Fabtech front coilover conversion systems.








