Spark Plug Gap Gapping Gapper Feeler Tool Sparkplug Gauge Caliper Engine 12mm US • Acura - Adjustable pre-load spring tension

- Adjustable pre-load spring tension

Machined from 6061 billet aluminum and features a combination of 90a and 70a on a durometer

progressive and seamless in action

This is helpful when compared to the fixed the factory outlet that always seems to put the upper rad hose in the path of the intake piping

Spark Plug Gap Gapping Gapper Feeler Tool Sparkplug Gauge Caliper Engine 12mm US • Acura - Adjustable pre-load spring tensionEngine Spark Plug Gap Tool Universal for all 12mm spark plugs This Spark Plug Gap Tool will give you that perfect gap every time. No more banging the plug tip on random surface to close it & then use a coin gap to open it back up. Do it once with precision with our tool. Easy to use steps: 1. Simply screw your spark plug into the bottom of our gap tool. 2. Use your desired size feeler gauge for gap thickness. 3. Turn the knob with the feeler gauge in