Holley In-Line Fuel Pulse Damper - 40-100 psi - 8 AN Female O-Ring Inlet / Outlet - Black 12-1009 AA0710AG3R59 Machined from billet aluminum and

Machined from billet aluminum and anodized black for an awesome look

Single adjustable design

Updated nose graphic ID kit

Early in 1983

Chevrolet: Silverado 1500 19 - 22 6

Holley In-Line Fuel Pulse Damper - 40-100 psi - 8 AN Female O-Ring Inlet / Outlet - Black 12-1009 AA0710AG3R59 Machined from billet aluminum andHolley 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