Detroit Speed Front Speed Kit - 4-1/2 in Drop - Non-adjustable - Black - GM Fullsize Truck 1971-72 2269996 600'' exhaust valves with AFR's

600'' exhaust valves with AFR's hardened ductile iron interlocking valve seats

1972-1974 American Motors Gremlin

while remaining soft enough for a comfortable ride on any road

1982-1998 GMC C2500

Detroit Speed Front Speed Kit - 4-1/2 in Drop - Non-adjustable - Black - GM Fullsize Truck 1971-72 2269996 600'' exhaust valves with AFR'sMust use at least 17" wheels with a minimum inside wheel diameter of 16. 250". GMT 800 style brakes are required for this installation see instructions for details. This kit is designed to be used with a steering box. Improve the handling and performance of your truck while lowering the front ride height by 4. 50 inches for an aggressive look 100% bolt on for a quick and easy installation in your garage 2. 50 inch drop spindle assembly includes made