POL - Tubular Upper and Lower Control Arm Set, 1971-91 Chevy and GMC C20 - C30 Truck Control Arm Shafts 1958-64 Chevy Impala Belair Biscayne 4L60E - 4L80E transmissions (w/o

4L60E - 4L80E transmissions (w/o PRNDL switch) right out of the box

These items are a must when rebuilding your 1963-72 Chevy and GMC classic truckl

No returns on altered springs

Tremendous benefits can be realized when our Cal-Trac traction bar system is installed on a leaf spring suspended 1970-76 Plymouth Duster

The Regulators are equipped with a durable Viton diaphragm making them compatible with all gasoline blends including E85

POL - Tubular Upper and Lower Control Arm Set, 1971-91 Chevy and GMC C20 - C30 Truck Control Arm Shafts 1958-64 Chevy Impala Belair Biscayne 4L60E - 4L80E transmissions (w/oPerformance 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