P/N 13303 X1 EFI Standard Return Style Regulator EFI return style Regulator for Return Style Systems Base fuel pressure adjustable from 35-75 PSI. Vacuum/Boost reference capability. 1:1 rising rate for forced induction engines. Gasoline, ethanol, alcohol and diesel compatible. 2 ORB -08 inlet/outlet ports on the sides. 1 ORB-08 return port on the bottom port. 1 1/8? NPT Gauge Port with plug. 1/16? NPT Boost Port with 5/32? hose barb. Compatible with X1 High Flow EFI Conversion kit. Compatible with X1 Carb Conversion kit. 0.188? return style with matching spring and poppet. Handles up to 150 GPH with AN-08 return line. Suitable for any Aeromotive Pump up to A1000. Mounting bracket included (not shown). This product is not legal for sale or use on emission-controlled vehicles except when used as a direct replacement part matching OEM specifications.
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