Item Package Quantity 1
Brand Ecocstm
Size 1 Pc
Part Number Ecocstm-Spt-01
Package Dimensions LxWxH 6.65x3.5x0.98 Inches
Weight 0.2 Pounds

Check the listing for details. Spark Plug Tester, Adjustable Ignition Coil Tester System, Coil Pack Tester, .... Condition: New. Listed at 13.74 USD. To use, attach the alligator clip to the engine, connect the other end to the spark plug wire and check the spark length through the small window. The longer the spark gap, the stronger the coil.

$9.62
$13.74