Holley - FUEL PULSE DAMPER, 8AN, STANDARD RANGE 40-70 PSI Carb Calibration Kit - AVS2

Carb Calibration Kit - AVS2 Series - Metering Rods / Metering Jets / Springs / Case - Edelbrock AVS2 Carburetors - Kit

Fuel Pressure Regulator - A2000 - 2 to 20 psi - In-Line - 10 AN Female O-Ring Inlet - Four 8 AN Female O-Ring Outlets - 10 AN O-Ring Return - Black / Red Anodized - E85 / Gas / Diesel - Each

Tire Treatment - Hot Lap - Softener - Undetectable - 1 gal Can - Each

65 mm - Blue - 90 Degree Plug Boots - HEI / Socket Style - Cut-To-Fit - V8 - Kit

Wire - 12 Gauge - 100 ft Roll - Plastic Insulation - Copper - Black - Each

Holley - FUEL PULSE DAMPER, 8AN, STANDARD RANGE 40-70 PSI Carb Calibration Kit - AVS2Fuel 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.