Porsche 911 Speedster Convertible 911 3.2L H6 Spark Plug (Racing) NGK DR8ES (7162)

1989 Porsche 911 Speedster Convertible 911

Only for engines modified to use 12 mm thread plugs.~Hex size 18 mm, pre-gap .028, insulator height 50 mm, heat range 8, reach 3/4", thread diameter 12 mm, ground enectrode tip design = standard.~Piston clearence must be confirmed prior to Installation.