Spark Plugs Set 4x fits PORSCHE 356 A1500GS 1.5 55 to 61 547/1 NGK Quality New
Spark Plug Unscrewable SAE connector, Nickel Middle Electrode, 1 - Earthed Electrode, no interference suppression, with gasket seat. Spark Position 1.0 mm. Type Spark Plug. Thread Size M14 x 1,25. Thread Length 19.0 mm.