UMI lowering kit with Viking shocks, hybrid coil-overs, and rear springs. 1999 Pontiac Firebird crack and harden which can

crack and harden which can lead to decreased ride quality and performance

Can be heated to evaporate fuel dilution and reuse

ABF815-1 - 1968-1972 GM A-Body Handling Package

You can also order this combination as UMI part number 101416 rear upper and lower control arm kit

UMI lowering kit with Viking shocks, hybrid coil-overs, and rear springs. 1999 Pontiac Firebird crack and harden which canUMIs lowering package includes four Viking double adjustable shocks, a hybrid front coil over spring system with 350 lb front springs, and your choice of 1 or 2 inch UMI rear lowering springs. The 350 lb springs are ideal for small block cruising or drag racing with moderate weight reduction, offering a balanced mix of ride quality and improved performance. The hybrid front coil over system provides a 03" adjustable front drop, while the rear springs