For your consideration is a throttle governed carburetor for a Fairbanks Morse spark plug model Z 3hp throttle governed engine. The throttle butterfly turns as it should and is spring loaded. The 2x 7/16″ mounting bolt holes are 3-1/4″ on center. It has some original red pain on it. The both the gas line fuel needle, and the starting side needle turns, the compensater in the intake is spring loaded. The original fuel line and check valve is included with it, the check valve will need cleaned. Please read the following full description so you understand the terms of the sale, this will save both of us time by not messaging me questions that are already answered. Please review the pictures and full description as what I’m showing in the pictures is the actual item you will be receiving, and the pictures are part of the description. The can koozie is used for a size reference, it’s not included as part of the sale. I do NOT allow offers on my listings. Thank You for viewing, John Tonjes Jr.