C190/R190 (2014-2022)

Precision Spark Plug Feeler Gauge FEEL IT. This specialty spark plug feeler gauge has 8 blades in .00, .00, .00, .018, .020, .022, .024 thicknesses...

Change Your Plugs Like a Pro! Most manufactures and technicians suggest changing spark plugs every 20,000 - 30,000 km, tuners and motorsport teams ...