Spark Plug Code: CR6HIX. Fine Iridium tip ensures high durability and a consistently stable spark. Outstanding acceleration, high fuel efficiency and durability. Ultimate design, technology and performance.
1991 CT70 with this Iridium plug idles better and obtains 4mph faster wide open on the flat. Discovered Iridium plugs when my SAAB mechanic had me purchase them. SAAB idled better and passed smog which it had trouble doing on new stock plugs. IF you can get them for a good price - BUY THEM.