4-1/2 to 9 PSI Carburetor Pressure Regulator, 3/8 inch NPT Port, Zinc Alloy, 12-803 for Holley

Features

Application: The Carbest fuel pressure regulator is professionally designed for Holley and Edelbrock carburetors. The OE number is 12-803, with a 3/8" NPT port (1 inlet, 2 outlets).

Use: The fuel pressure regulator is designed to precisely control fuel pressure from the fuel pump to the carburetor, a practical carburetor component.

Function: The fuel pressure regulator allows you to regulate your fuel pressure according to the needs of your carburetor and vehicle.

Improves Carburetor Performance: Regulates fuel pressure to prevent overpressure at the needle valve and valve seat, which can lead to overflows or drivability problems.

Solid Material: The fuel vacuum regulator is made of high-strength zinc alloy, rustproof, wear-resistant, robust, and not easily damaged.

Specification

Item Type: Fuel Vacuum Regulator

Material: Zinc Alloy

OE: 12-803

Adjustable Fuel Adjustment Ranges: 4-1/2 to 9 psi, limit of 0.220 in (7/32 in)

Port Type: 3/8-inch NPT port (1 inlet, 2 outlets)

Fitment:

For Holley Carburetors

For Edelbrock Carburetors