BMR 94-04 Mustang Lower Non-Adj. A-Arms (Coilover Only) w/ STD. Ball Joint (Poly) - RedA arms are one of the most important, yet overlooked suspension components. They are the direct link between the front wheels and the chassis. Any deflection causes a change in alignment, which results in poor performance and driving feel. Fabricated from heavy duty 1. 5 inch, 0. 095 inch wall and 1. 25 inch, 0. 095 inch wall DOM tubing, deflection is eliminated with A arms from BMR's suspension. BMR's AA041 Lower A arms are equipped with greasable,