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

and help maintain track consistency

OEM hardware can be used for the installation

the main hoop comes with dimple-die taco gussets

All bars are tucked as high and as tight as possible

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