Can't get the alignment you want on a Chevelle or GTO?

You can adjust caster and camber with these. The 1/2-inch-taller ball studs improve the camber curve through travel, and the joints are greaseable and rebuildable.

Fitment

SPC 97110 is a forged-steel adjustable front upper-arm pair for GM A-body applications, including 1964–1972 Chevelle, El Camino and GTO.

Specs and included parts

Front upper control-arm pair; forged steel; camber/caster adjustment range ±3 degrees. Includes the 1/2-inch-taller ball studs. OE-length and 1/4-inch-extended studs are separate options. Part 97110.

Building one for a customer? I can have it shipped right to your shop.