Amal 389 1 5/32" monobloc carb and the optional head gasket

and the optional head gasket is part E4547 or 70-4547

For 389 monobloc carbs ONLY

2 AFM rocker box gaskets ( 70-9348 or E9348 )

and due to the high rate of recovery when disassembled

Amal 389 1 5/32" monobloc carb and the optional head gasketThe monobloc carb was introduced in 1955 to solve the problems associated with separate floats. It was widely used on Triumph, BSA, Norton, and countless other bikes until the introduction of the concentric in 1967. The 389 series is the largest of the monobloc range. Amal is producing these new carbs on new tooling and the results are outstanding. These carbs are set up with a #3 slide, 330 main jet, #25 pilot jet, and a 106 needle jet. The bore size