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This slanted vent tube is located in air horn toward the front of the quadrajet.
Brass bleed restrictions to press in main body or air horn for main air bleed adjustments..125"
Down Channel Restrictions are part of the idle circuit in the main body. The size of this orifice will restrict fuel flow during idle. When increasing compression and cam on an engine, these should be enlarged to allow more fuel to flow with less...
Pair of idle pickup tubes with collars.
These would replace original tubes in Quadrajet main body in the idle circuit.
Pair (2) of Brass secondary tubes. On air hornOD .276" x 1.000" length
Steel vacuum tube.