For mechanical secondary 1991-pontiac-firebird-esi6483971 125” thick light weight aluminum

125” thick light weight aluminum panel allows you to remove the existing A/C - heater box and immediately drop unnecessary weight from the front of the car while cleaning up unwanted engine bay clutter

When installing the VL765 Delrin Vertical Links

eight bowtie valve cover wing nuts (141-756

Reinforced glass filled polypropylene blade and plastic housing for minimized weight

For mechanical secondary 1991-pontiac-firebird-esi6483971 125” thick light weight aluminumMech Link DP Standard 40% progressive ratio found in most carburetors (gold in color). Used on mechanical secondary carburetors only. Includes required cotter pin for installation.