Spark Plug: 1 - Earthed Electrode, with resistor; Electrode Gap [mm]: 0,9; Thread Size: M14 x 1.25; Thread Length [mm]: 12,7; Spanner Size: 20,8; TecDoc Engine Number: 42534, 873, 880, 43057, 10288, 27874, 27892, 27893, 27894, 34290, 9385; FORD: Taunus 17M Limousine (21),TAUNUS 17M Turnier (21); FIAT: Panda Schrägheck (141_),126 (126_),500 Limousine,500 Kombi; PORSCHE: 911,911 Targa,356 Coupe,356 Cabriolet/Speedster; 4309810, 4401547, 7554445, 7754445, 9807657717, J4520W22FPRU, AP2BEN000088, 0948200244111, 0948200255, 9470000227, 9470100227, 9470200227, 9470300227, 9470300327; Engine spark plug,Spark plugs