3/4" angle, 1/8" thick, 6 3/8" long, it will have a 1/32" overhang after bolting to carbs.
I didn't unbolt them approximate hole center 1 3/8" you can confirm with your hole spacing. After bolting up you should have a 4 3/4" or 120mm center to center on the intakes(there is a mold line or the line hole plug for the mix screw).