Tapout Tuning Spark Plug Gapping Tool and Feeler Gauge Set

Description This spark plug gapping tool allows for precise gapping with no risk of spark plug damage. Feeler gauge set has 32 sizes ranging from .0015 to .035”, including all the common sizes used in high performance Cadillacs (.035”, .028”, .026”, .024”, .022”, .020”, .018” and .016”).