NGK 3741 Spark plug

Spanner Size: 16 mm; Thread Size: M14 x 1,25; Thread Length [mm]: 19,0; Spark Plug: Platinum Middle Electrode, 1 - Earthed Electrode, Interference Suppression 5 kOhm, with gasket seat, Fixed SAE connector; Spark Position [mm]: 5,0; TecDoc Engine Number: 4647; Electrode Gap [mm]: 0,8; Climate Zones: for moderate climate zones, not for cold climate zones; Engine Code: FPA1, FP33; Country Specific Design: Great Britain