If you're running a high-performance EFI system, this Holley fuel pulse damper is an absolute game-changer for stabilizing your fuel pressure! It's designed to smooth out those rapid pressure pulsations that occur when injectors open and close and the fuel pump cycles - pulsations so fast that analog gauges often can't even detect them, but they can seriously affect engine performance. The 8AN size fits most performance fuel systems, and the extended 40-100 PSI range makes it versatile for various applications. The full anodized billet aluminum construction with stainless steel springs and fluorosilicone diaphragm is built to handle any type of fuel and withstand the demands of high-performance use. It includes a 1/8\ NPT port for easy installation of a mechanical pressure gauge or pressure transducer, so you can monitor your system properly. The vacuum fitting and hose included allow for vacuum referencing if your setup requires it. This is particularly crucial in systems with large fuel injectors and high-volume fuel pumps where pressure fluctuations can cause drivability issues. The installation is straightforward for anyone familiar with fuel system work, and the quality is typical Holley - professional grade components that you can trust in demanding applications. Whether you're dealing with erratic fuel pressure readings, tuning issues, or just want to ensure optimal fuel delivery in your performance vehicle, this pulse damper provides that extra level of stability that can make a noticeable difference in how your engine runs. It's one of those supporting mods that often gets overlooked but can really help optimize your EFI system's performance.
Free 30-day returns 
Free 30-day returns
