Aftermarket Parts . Each 2" gauge features 0-76cm/hg readings, shut off valve and all hardware is high brass finish for longer life,higher corrosion resistance and better flow accuracy.. Air flow control is handled by needle and seat valves instead of knobs. This helps to resist the dial indicator "bounce" associated with many other lower quality gauges. Set comes complete with red mold storage case.. This kit lets you synchronise the values of the 4 carburettors as well as adjust/set them..
