4x Spark Plugs for PORSCHE 356 912 NGK Brand Name Products with Express Shipping Description: The spark plugs are selected according to the Porsche parts catalog. Naturally, the plugs have different heat ranges depending on the Porsche model and engine. Here you will find the right spark plugs for your Porsche. We have always relied on modern technology from the most renowned manufacturers (BOSCH/BERU/NGK). These manufacturers were also original equipment suppliers for Porsche in their day. Please note that we offer individual spark plugs and matching sets at more favorable prices. Brand Information: The long-established Japanese company NGK was founded in Nagoya in 1936 and has been known for the production of spark plugs and glow plugs ever since. As an automotive supplier, the company is a world market leader in original equipment for cars and motorcycles. NGK has already received several awards for the excellent quality of its product range, which includes spark plugs and glow plugs, as well as lambda sensors, ignition leads and ignition coils. Additional Information: ● Thread Length: 12.7 mm ● Thread Size: M14x1.25 ● Wrench Size: 21 mm ● Tightening Torque: 17 Nm ● Spark Position: 3.5 mm ● Electrode Gap: 0.7 mm ● Heat Range: 6 Reference Numbers: 999.170.023.90 999.170.001.90 999.170.002.90 999.170.012.90 999.170.015.90 Scope of Delivery: As shown in the illustration Suitable for: 356 except Carrera GT/GS 912 except 912EZobraziť viacZobraziť menej