UMI Performance Boxed Lower Trailing Arm - GM B-Body 1978-96 3622-B Richmond Gear this adjusting nut set is

this adjusting nut set is designed for 3/8" rockers with a stud girdle

Works On 4/6/8 Cylinder Engines

They are ready to bolt on out of the box and offered in a single or dual 4150 or 4500 carb flange

Large Angled Side Boards

May be used with most coil-over and non-coil-over shocks

UMI Performance Boxed Lower Trailing Arm - GM B-Body 1978-96 3622-B Richmond Gear this adjusting nut set isUMI Performance Boxed Lower Trailing Arm GM B Body 1978 96 UMI's extended length trailing arms optimize wheelbase to improve the appearance of the wheel in the wheel opening. Heavy boxed tubing and high quality polyurethane greaseable bushings make our extended length trailing arms a great upgrade to your ride. We recommend using extended length upper arms such as UMI 3619, 3620 or 3624. **Features** Built using 0. 120 Wall Thickness Rectangular Mild