UMI Performance Boxed Lower Trailing Arm - GM B-Body 1978-96 3622-B CLAAX01YBLF Uses Installation Kit #RJS90906 (sold

Uses Installation Kit #RJS90906 (sold separately)

Intercomp SW650R1 Quik Weigh Scale System displays to 1/100th of a percent

GM6094M and GM4718M)

Dyno and track testing show significant noise reduction with little or no power loss

they're designed to work with the stock shift knob and aftermarket shifter knobs

UMI Performance Boxed Lower Trailing Arm - GM B-Body 1978-96 3622-B CLAAX01YBLF Uses Installation Kit #RJS90906 (soldUMI 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