It's vital to maintain precision in every element of performance. Getting the spark plug gap wrong can cause tuning issues, mis-fires, and misdiagnosing. Our Billet Spark-Plug Gapper saves time while maintaining precision.
No more Banging your plugs on the table to close the gap, which can cause unknown damage to the spark plug. Again, leading to tuning issues and cost money.
Our Billet Spark-Plug Gapper is simple and easy to use, simply screw in the spark plug, check with the feeler gauge (see drop-down menu) and turn the thumb screw to tighten the gap. Once completed, check the gap with the feeler gauge again.
Add the optional 17-blade Feeler Gauge from the dropdown menu. The feeler gauge measures 0.011 to 0.032 In.