TDC IndicatorAccurately Displays Piston Movement14mm ThreadsMade of 1144 SteelStainless Steel Spring1-1/2" Travel1/8" Graduation MarksMade in the USA Accurately displays piston movementUtilizes 14mm threads for most applicationsFeatures 1-1/2 � of travel with 1/8 � graduation marks on the slide for precise measurementsA dial indicator may also be used by setting the plunger on the flat of the indicatorMade in usa with high quality materials and assemblyNote: This TDC indicator now comes with a sticker on the box stating it is "for use only on Hemi engines with flat top pistons" and that any engine with an acute spark plug angle and/or dome piston will bend the shaft of the indicator.y L.
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