UMI Performance Lowering Kit - 4-1/2 in Front/6 in Rear - GM Fullsize Truck 1973-87 RS200220 Pro Series cylinder head bolts

Pro Series cylinder head bolts are cold-forged to ensure molecular integrity

0 to 2 in Offset

Exact replacement for original Air Lift air spring

Big Block Mopar

which requires a steel gear

UMI Performance Lowering Kit - 4-1/2 in Front/6 in Rear - GM Fullsize Truck 1973-87 RS200220 Pro Series cylinder head bolts4. 5 total drop front 6 drop rear No notch required Bilstein shocks Add UMI sway bars for even better performance Power Tour, daily driver and corner carver proven Minor drilling required for installation Made In USAVehicle Applications: 1973 1987 GM C10 Lowering Kit (4. 5 6), Bilstein shocksVehicle Applications: 1973 1987 GM C10 Lowering Kit (4. 5 6), Bilstein shocks Before we built suspension parts, Utmost Machine manufactured precision components