Aeromotive A4 Carbureted Regulator - 4-PortFor Regulator P N 13202 in dual carburetor setups. Contains (4) AN 06 to AN 06 Male Flare Fittings ? P N 15606; (1) AN 10 to AN 10 Male Flare Fittings ? P N 15608 * (1) AN 10 Port Plug ? P N 15617. More area and smoother transitions from the inlet to the outlet, resulting in less restriction than any other fitting line. The Aeromotive line of custom fittings, adapters and hose ends are a step above the norm, offering uncompromised fuel flow and