User to precisely and smoothly gap any 12mm spark plug. to the exacting feeler gauge gap, with a single action. then use a coin gap to open it back up.
StreetRays Spark Plug Gapper Tool Gap Gapping Tool Sparkplug 14mm Gapper (BLACK)
StreetRays Spark Plug Gapper Tool Gap Gapping Tool Sparkplug 14mm Gapper
For 1x Spark Plug Gapper Wide Gap Adjustment Tool with Metric & Standard Inches
StreetRays Billet Spark Plug Tool Gap Setter Gapping Set Tool Sparkplug 14mm
StreetRays Billet Spark Plug Tool Gap Setter Gapping Set Tool Sparkplug 12mm
Universal 14mm Engine Spark Plug Gap Tool Gapper Gapping Sparkplug Caliper Black
