UMI lowering kit with Viking shocks, hybrid coil-overs, and rear springs. 1999 Pontiac Firebird These direct bolt-on control arms

These direct bolt-on control arms minimize wheel hop

as can occur with certain other brands

Ford XO-15W40-5QSD

Can be heated to evaporate fuel dilution and reuse

UMI lowering kit with Viking shocks, hybrid coil-overs, and rear springs. 1999 Pontiac Firebird These direct bolt-on control armsUMIs 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