Works on most two cycle engines, Dial Indicator has 2" of overall travel

Aluminum bridge with thumb screw, bridge allows you to remove the head so you can check port heights
Check port heights and set ignition timing. Works on most two cycle engines, Dial Indicator has 2" of overall travel

Aluminum bridge with thumb screw, bridge allows you to remove the head so you can check port heights, set timing

Also used for Top Dead Center TDC, Bottom Dead Center BDC (If the engine stroke length isn't too long) - Indicator Gauge