POL - Tubular Upper and Lower Control Arm Set, 1971-91 Chevy and GMC C20 - C30 Truck Steering Columns and Accessories 1960-72 Chevy GMC C10 C20 Truck Chrome 8" dual diaphragm vacuum

Chrome 8" dual  diaphragm vacuum booster

Front Coils include:

70 for side fill

These shocks allow you to easily control rear body separation through their external dial to keep the tires completely planted on the ground

POL - Tubular Upper and Lower Control Arm Set, 1971-91 Chevy and GMC C20 - C30 Truck Steering Columns and Accessories 1960-72 Chevy GMC C10 C20 Truck Chrome 8" dual diaphragm vacuumPerformance Online (POL) 1971 91 Chevy and GMC truck tubular upper and lower control arm design helps to correct the camber and ball joint angle problems often found when using a drop spindle or lowered coil spring. We then designed an extra 2. 0 degrees of caster into the arm to make the vehicle drive straight and true. These arms come with factory early model cross shafts for ease of installation and increased ground clearence. Works with drop