The UMI upper and lower A‑arm mounting hardware kit for 1964–1972 GM A-Body vehicles contains the fasteners needed to fit both upper and lower A-arms. It includes Grade 8 bolts, flat washers and lock nuts, with zinc coating for corrosion protection and a neat installation appearance. Designed to work with UMI or factory A-arms and many other brands, this kit replaces old, rusted bolts during suspension upgrades.
UMI Performance 64-72 GM A-Body Upper & Lower A-Arm Mounting Hardware