Holley Direct Mount Fuel Pulse Damper Type:6AN ORB Standard Range 40-70 PSI Offered in both non-resonated or

Offered in both non-resonated or resonated versions

Apply the fuel system mod to your calibration and tune for boost

If it is not correct you can either re-pin it or use the supplied plug

This PLM kit contains both a 3" up-pipe and hood exit dump tube

Bosch provides a specification for protection of electronic fuel injectors

Holley Direct Mount Fuel Pulse Damper Type:6AN ORB Standard Range 40-70 PSI Offered in both non-resonated orFuel 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 Features: Engineered to stabilize pressure pulsations