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2 V8 1968 - 1971 Dodge Monaco 383/6
7L V8 1986 GMC C3500 Sierra Classic 454/7
Please See Above 2009-2013 Chevrolet Silverado 1500 4
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Calibrated to compensate for unique engine loads found on boats
FUEL PULSE DAMPER, 6AN, STANDARD RANGE 40-70 PSI 12-1002 automatic-transmissions-and-parts 2 V8 1968 - 1971FUEL PULSE DAMPER, 6AN, STANDARD RANGE 40 70 PSI Fuel pulse dampers act in tandem with the fuel pressure regulator to further control the fuel pressure in an EFI system. They act to smooth out the pressure pulsations caused by the injectors opening and closing as well as the fuel pump operating. These pulsations happen so quickly that in many cases they can't be identified with an analog gauge but can cause issues with fuel delivery to the engine.
