Markings stamped into the bowl are (L80) and (11-2) on this one. Bore: 3/4“
1)
Trace: • IH: Carburetor, Intake Manifold & Exhaust - Sub-01T • IH: Oiling & Lubrication - Sub-03E • IH: Oiling & Lubrication - Sub-03F • IH: Wheels, Brakes & Tires - Sub-02J