Holley In-Line Fuel Pressure Regulator/Damper - 40-100 psi - 8 AN Female In / 8 AN Out - Black Battery Terminal The top of the Pro-Cap

The top of the Pro-Cap is crowned with a screw-down retainer to keep all of the plug wires firmly attached to each terminal

873 in Long

Combination Bar Mount with Adjustable Whip/Flag Mount allows you to perfectly position your coupler

Run the only racing valve springs with sustained red-line protection

Subframe connectors improve your car's handling ability while reducing t-top squeaks

Holley In-Line Fuel Pressure Regulator/Damper - 40-100 psi - 8 AN Female In / 8 AN Out - Black Battery Terminal The top of the Pro-CapFuel 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 fuel delivery to the engine. Product Description: Fuel Pressure Regulator 40 100