No of Plugs: 16, Part Note: Dia. 14mm Plugs only, DESCRIPTION: Ngk Lpg Fitment Spark Plug, Ignition System Type: Twin Spark, Part Note: Dia. 14mm Plugs, No of Plugs: 3, No of Plugs: 4, No of Plugs: 5, No of Plugs: 6, No of Plugs: 8, Supplier Code: 1640, Part Note: Twin Spark Requires 8x Plugs, Gap Mm: Preset, Part Note: 26.5mm Thread Reach Plugs