These pump may not come with the sticker on the neck. "BIG END FUEL PUMP by Holley" They are the same pump. With or without sticker.
110GPH (free-flow) High output fuel flow. Shut-off pressure pre-set at 6 1/2 to 8 psi. Heavy-duty construction for high RPM operation. Regulator not required but recommended on some applications. Manufactured by Holley.
Pump has frame clearence issues on 1955 Chevrolet Bel-Airs