Did you know that all muscle car era Holley carbs came with slot head bowl screws? All Holley replacement carburetors now come with 5/16" hex head screws. If you do not have the correct ones or the slots on your originals have been messed up you can now replace them with the correct ones. We have both sizes available and they are plated the correct zinc dichomte. The short ones for bowls with metering plates (outboard six pak, secondary 4-bbl) and the long ones for bowls with metering blocks (center six pak, primary 4-bbl).

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