Spark plugs from Bosch. Spark plugs are vitally important in determining the performance and function of the engine. As Europe's market and technology leader, the Bosch name stands for the highest levels of quality and expertise in spark plugs. More and more car manufacturers are installing Bosch spark plugs ex factory. You too can be sure of optimum engine performance and cutting-edge technology with spark plugs from Bosch. Spark Plugs Set 4x 0241245555 Bosch Brand Bosch Part Number 0241245555 Thread Size M 14 x 1,25 Number of Poles 1 -pin connector Spanner Size 19 Thread Length 9.5 mm Spark Position 3 mm Tightening Torque 20 Nm Electrode Gap 0.5 mm Extra Description Nickel Type Spark Plug Compatible with the following OEM references STIHL 11064007010, 11064007015 Other references 7544 WKA 225 T 36 WS 5 F Bosch's portfolio of products is steeped in OE quality and provides one of the most comprehensive ranges of OE aftermar.