S & G Tool Aid 23970 In-Line Spark Checker Kit for Recessed Plugs Impact Sockets & Socket Sets Color-coded radiator test caps make

Color-coded radiator test caps make it easy to choose the right test cap for the job

for extended use or switch to free run for immediate automatic rewinding

including camshaft pulleys and crankshaft pulleys

Locking Clip - metal clip swings keeps the handles together when not in use for smaller fooprint

000RPM - Front Exhaust

S & G Tool Aid 23970 In-Line Spark Checker Kit for Recessed Plugs Impact Sockets & Socket Sets Color-coded radiator test caps makeA must for testing newer vehicles with recessed spark plugs Troubleshoots virtually all domestic and import cars, SUV's & trucks Provides information not available with OBD II code reading devices Shows a duplicate view of the ignition spark