I opened the box tonight and tried to unscrew the inner and outer parts with no results. Does anybody know if these plugs are threaded and unscrew apart or are a fakey looking solid piece? I put heavy force on two of the four in the box and no results. Tried both directions.
Thanks Ford Barn!!
http://www.amazon.com/Champion-Plug-429-Copper-Spark/dp/B002796PJW?tag=atomicindus08-20
Thanks Ford Barn!!
http://www.amazon.com/Champion-Plug-429-Copper-Spark/dp/B002796PJW?tag=atomicindus08-20