Holley In-Line Fuel Pulse Damper - 40-70 psi - 8 AN Female O-Ring Inlet / Outlet - Black 12-1006 2010214 1978-1978 Mercury Grand Marquis

1978-1978 Mercury Grand Marquis

Coil may not fit some GM applications within the year models

Holley carburetors powered every Monster Energy NASCAR Cup team and nearly every NHRA champion for four decades

Rear Floor Kits All panels are oversized to fit frame rails widths from 20 to 32

3-Stage Planetary Gearing With 136:1 Ratio

Holley In-Line Fuel Pulse Damper - 40-70 psi - 8 AN Female O-Ring Inlet / Outlet - Black 12-1006 2010214 1978-1978 Mercury Grand MarquisHolley 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