The block-off plates are precision cut to cover stock fuel pump openings. Gasket included. Chevrolet engines 265 thru 400 cu. in. This is what you need when changing your manual fuel pump to electric.
You will need a fuel pump block plate to block the side of the motor to keep the oil inside of the engine. This plate is precision machined and is chrome plated for that extra under the hood sparkle. Features: