Adjustable EFI Regulator

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Waterman Racing Adjustable EFI RegulatorHigh Performance, adjustable EFI regulator designed for medium to high horsepower applications. This regulators features Waterman Racing’s h igh-flow design, superb pressure control and legendary durability. Gas, ethanol, methanol and diesel compatible. 40-75 PSI adjustable base pressure range. 1:1 vacuum/boost reference capability. 1/8″ NPT dedicated gauge port. P/N-43138 - 2x AN-06 inlets, AN-06 returnP/N-43139 - 2x AN-08 inlets, AN-06 returnP/N-43140 - 2x AN-10 inlets, AN-06 returnThis product is not legal for sale or use on emission-controlled vehicles except when used as a direct replacement part matching OEM specifications. Show more