【Top Dead Center Tool】This is a top dead center tool, a shift indicator light for car replacement parts, which can quickly help you find the top dead center of the car engine
【7880 Top Dead Center】The heavy-duty brass plunger on the stainless steel spring serves as a motion marker for easy reading of piston movement. After screwing it into the spark plug hole, you will know exactly whether the piston rises or falls with each turn of the crankshaft.
【Size】14 mm Thread top dead center indicator 6.25 inches long by 0.57 inches wide by 0.57 inches high, 14mm threads, 1/8 inch markings
【High Quality】The 7880 top dead center indicator switch is made of high-quality materials with stainless steel springs, which are sturdy, durable, and not easily damaged
【Simple Installation】Easy to install like a spark plug (do not use on engines where the spark plug is at an acute angle relative to the piston top, as it may bend the TDC shaft)