Jet Orifice Calipers
$75.00
Until now the only method of accurately measuring the actual orifice diameter has been plug gauges which is time consuming and very expensive. We have modified these calipers on a cutter grinder to gain access to the jet orifice and measure its diameter to .001 accuracy.
Orifice diameter and jet numbers are not only the same, included is a chart listing orifice diameter to jet numbers. Now you can put those mis-marked, unmarked and re-drilled jets in order and actually know what to expect when you make your next jet change.
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