FUEL PULSE DAMPER, 6AN, EXTENDED RANGE 40-100 PSI 12-1004 exhaust-system-parts 1 L6 1969 - 1972

1 L6 1969 - 1972 Chevrolet Camaro RS

AN Adapter side seals on the flare (cone) not the threads

6L V8 1981 - 1985 Chevrolet K30 Custom 350/5

7L V8 1981 - 1983 Oldsmobile 98 350/5

FUEL PULSE DAMPER, 6AN, EXTENDED RANGE 40-100 PSI 12-1004 exhaust-system-parts 1 L6 1969 - 1972FUEL PULSE DAMPER, 6AN, EXTENDED RANGE 40 100 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.