Merctronic TDC Dial Indicator w/Attachments Tool

Description

This tool is and has been used to locate top dead center of Mercury outboard engines for decades. However can be used on a multitude of types and brands of engines as there are spark plug hole attachments mated for its use. A must have to properly time many outboard engines and especially Mercury outboards. Mercury tool part number is 92-58222A1 and retails for $170.00.