Holley In-Line Fuel Pulse Damper - 40-100 psi - 8 AN Female O-Ring Inlet / Outlet - Black 12-1009 911015 Pulleys sold separately

Pulleys sold separately

and retaining bolt - blocks off the rear port

Deep Powerful Unique Sound

while our universal plate type bolts across any cylinder bore when the heads are off

Valves with fittings are supplied with two 1/8-27 NPT to 3/-24 inverted flare female fittings that will fit most domestic 3/16th hard brake lines

Holley In-Line Fuel Pulse Damper - 40-100 psi - 8 AN Female O-Ring Inlet / Outlet - Black 12-1009 911015 Pulleys sold separatelyHolley In Line Fuel Pulse Damper 40 100 psi 8 AN Female O Ring Inlet Outlet Black 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