Spark Plug Terminal Nut attaches to threaded head of spark plugs. Allows for use of High Performance Wire Sets. Fits NGK & Bosch spark plugs.
WARNING: This product can expose you to chemicals which are known to the State of California to cause cancer and reproductive harm. For more information, go to www.P65Warnings.ca.gov. All parts legal for use on pre-pollution controlled vehicles only.
Set of 4