Ø cone from 38 to 50mm. Air Flow Meter for use with IDF / DRLA / HPMX Carburettors.
Carburettor air flow meter. Designed for use on IDF/DRLA/HPMX carburettors fitted with velocity stacks.
The air flow meter sits down on the velocity stack to measure the air flow running into the carb on idle. A must for setting up twin carburettors.
Do not rev the engine whilst using the flow meter, this will cause damage.
