2 x Full radius spun aluminium ram tubes to suit 40 IDF Weber carburettors.
They are adjustable in length from 65 -100mm.
These ram tubes have been designed using advanced computer modelling and a flow bench to obtain the best flow. They feature a full 270deg return on the bell mouth and between 6.9deg and 9deg Taper for additional air draw.
79mm diameter at bell mouth.
Hex screws included for mounting the ram tubes.