Fuel Pulse Damper Inline 8an ORB 40-70PSI

The Holley Fuel Pulse Damper Inline 8AN ORB 40-70PSI is designed to help reduce fuel system noise and pressure oscillations in high-performance fuel delivery systems. This product is particularly useful for those who experience fuel pump whine, injector chatter, or pressure spikes during acceleration. It is suitable for both naturally aspirated and forced-induction engine setups.

This inline damper utilizes a sealed diaphragm chamber to absorb pressure spikes and smooth fuel delivery between pump pulses. With an operating range of 40-70 PSI, it is compatible with carbureted and EFI applications, as well as port and direct injection systems. The 8AN ORB (O-ring boss) port allows for standard -8 hose fittings, ensuring reliable connections.

Street tuners, track enthusiasts, and engine builders will find this damper beneficial when upgrading to high-flow fuel pumps or adjustable regulators. Its compact size makes it easier to install in tight engine bays without the need for custom brackets. This product is designed to enhance fuel system stability, which can improve injector spray patterns and combustion consistency.