UMI 1982-1992 GM F-Body Front Lower A-arms, Delrin Bushings


UMI lower A-arms are shipped fully assembled and ready for direct bolt in installation. They feature Delrin bushings for smooth suspension articulation, premium ball joints, bump stops and adjustable steering stops. UMI's lower A-arms are fabricated from drawn over mandrel tubing with CNC machined tube ends for a precision and accurate fit. They are assembled on a jig to maintain accuracy for a perfect fit every time. All critical areas are TIG welded for superior strength and a clean look. Lower A-arms also feature additional tire clearance for wider tires and adjustable steering stops to set vehicle steering radius. UMI's extensive testing on the street, drag strip and skid pad ensures a quality product able to with stand all types of conditions. The ultra tough red or black powder coat finish guarantees your performance parts stay beautiful on your street car, drag car or pro touring machine. Lower A-arms feature a fabricated spring bucket and are designed to work with factory springs and lowering springs.

Adjustable steering stops: The adjustable steering stops allow the front turning radius to be adjusted, preventing wider aftermarket wheels and tires from rubbing. The adjustable steering stop shims are machined from aluminum to prevent adding weight and each kit is supplied with a variety of adjustment options.

Hardware kit, Part # 3011- Lower A-arm hardware kit includes Grade 10.9 12mm bolts, washers and ny-lock nuts. Hardware kit includes everything needed to mount your new UMI lower A-arms to the vehicle.


  • Saves weight. 5lbs lighter than factory A-arm set.

  • CNC machined tubing for a precise accurate fit.

  • USA drawn over mandrel tubing is precision bent on a programmable tube bender.

  • Greaseable UMI designed and machined Delrin bushings.

  • New premium ball joints installed.

  • Jig built for accuracy

  • Greaseable & fluted polyurethane bushings

  • Adjustable steering stops

  • Designed & manufactured in Pennsylvania USA