Features and Benefits:

• The Standard TDC Indicator enables a technician to accurately set a piston to top dead center (TDC)
• Remove spark plug, screw in the gauge and rotate the engine observing the radial marks on the sliding shaft and note the top piston stroke
• Installs as easy as a spark plug
• Made of 1144 steel with a stainless steel spring
• Lifetime warranty; Made in the U.S.A.

7880 Innovative Products Standard TDC Indicator - The Standard TDC Indicator enables a technician to accurately set a piston to Top Dead Center (TDC). Just remove the spark plug, screw in the gauge and rotate the engine while observing the radial marks on the sliding shaft and note the top of the piston stroke.