Spark Plugs Set 4x fits PORSCHE 911 CARRERA 3.2 83 to 89 NGK. NGK 2108, 2611, 3988. Spark Plug Unscrewable SAE connector, Iridium Middle Electrode, 1 - Earthed Electrode, interference Suppression 5 kOhm, with gasket seat.
eBay