Quick Fuel Q-Series Carburetor 650 CFM DRAG 2X4 Supercharger R080003S but you will need a

but you will need a slightly shorter mounting bolt (about 3/16" shorter)

4L Gen III HEMI engines with fuel injection

1964-1970 Mercury Cyclone

6 5/8" length spring is needed

Quick Fuel Q-Series Carburetor 650 CFM DRAG 2X4 Supercharger R080003S but you will need aQ Series Carburetor 650 CFM DRAG 2X4 Supercharger. Quick Fuel Technology's ready to run 2x4 Blower Carburetors will deliver the air and fuel your engine needs to make race winning power. QFT's 2x4 blower carbs feature shortened throttle levers for clearance. An external vacuum reference tube has been added for the power valve to connect to the intake manifold with a hose. This allows the power valve to see only positive pressure at Wide Open Throttle,