Holley In-Line Fuel Pulse Damper - 40-70 psi - 8 AN Female O-Ring Inlet / Outlet - Black 12-1007 EFI Gauge Mounting Panel Be aware that some transmissions

Be aware that some transmissions will have different driven gear housings depending on the tooth count of the driven gear

Complete set 9/16-24 x 5/8-18

Exclusive low pressure sensor automatically adds air if pressure drops below 5 PSI

2001-2006 Chevrolet Silverado 3500 CID 403 CC 6599 6

Sculpted all aluminum housings

Holley In-Line Fuel Pulse Damper - 40-70 psi - 8 AN Female O-Ring Inlet / Outlet - Black 12-1007 EFI Gauge Mounting Panel Be aware that some transmissionsHolley In Line Fuel Pulse Damper 40 70 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