<https://www.supraforums.com/threads/hks-super-fire-racing-spark-plugs.365087/>
<http://schema.org/articleBody>
"Anybody use these plugs on a single turbo Supra before? Any results?\n\nhttp://www.garagegt.com/shop/scripts/prodView.asp?idproduct=18671\n\nJoe"
<https://www.supraforums.com/threads/hks-super-fire-racing-spark-plugs.365087/#post-4211099>