MaxTrac Lowering SHOCK EXTENDERS GM 88-98 C1500 C2500 2wd 400500 Untitled Document Maxtrac Suspension's rear shock extenders are designed to provide extreme stability for a lowered vehicle. When brand new shocks aren't required or needed, these extenders lower the mount of the current setup, and adjusting the angle of the shock to its correct angle. SPECIFICATIONS 100% Bolt On Installation Uses existing shocks Corrects shock angle for a lowered vehicle