Those are the two I just got from Vans Auto L bracket shares with the wire bracket both $14.00 for A-Body big block.
Bronze metal color is painted engine color.
L bracket goes on first. Their part number CHZENG053
View attachment 1715367583
CHZENG039
View attachment 1715367584
Bolts to left front exhaust manifold stud on top of “L” bracket. Holds all left side wires except for #7. Always used in conjunction with “L” bracket.