Mopar Performance M1 Intake for 340 motor
M1 Single Plane P4452891 as shown in the MP Engine Book (1998):
MP Single Plane P4532851 Which was the last version for the LA engine. Only change: water neck was moved, an is the smaller size like the soon to come Magnum engines. (Carb opening shown was owner modified to square bore, they are all spread bore as cast)
These are the only single plane Mopar Performance intakes to be concerned with for the LA engine. Get the correct size water outlet and thermostat for the intake and you’re good to go.
M1 Single Plane P4452891 as shown in the MP Engine Book (1998):
MP Single Plane P4532851 Which was the last version for the LA engine. Only change: water neck was moved, an is the smaller size like the soon to come Magnum engines. (Carb opening shown was owner modified to square bore, they are all spread bore as cast)
These are the only single plane Mopar Performance intakes to be concerned with for the LA engine. Get the correct size water outlet and thermostat for the intake and you’re good to go.