The Fabtech Dirt Logic 4.0 Spanner Wrench is specifically designed for adjusting the coilover shocks in Fabtech’s Dirt Logic 4.0 series. This tool allows for precise adjustments to spring preload, which is crucial for fine-tuning ride height and suspension performance. Constructed for durability, it provides the necessary leverage for secure and accurate adjustments on your off-road vehicle’s suspension system.








