NGK B5ES / 6410 Standard Spark Plug Replaces W8CC OE098 N5C W16ES-U ( 6410 ) This is the workhorse, the plug that is at the heart of smooth-running engines around the world. OEM quality Triple-gasket sealing process Consistent performance Plug of choice in millions of vehicles BOX DIMENSIONS Height (mm): 85 Width (mm): 24 Length (mm): 22 If you are unsure as to whether this is the correct part for your vehicle, please don't hesitate to contact us. Alternatively please use the cross reference table above. NGK 4x Yellow Box Spark Plugs - 6410 Important Notice: Due to the Bank Holiday Weekend, there may be a delay in courier delivery times. We apologise in advance for any inconvenience caused. Important Notice: Due to the Festive Season, there may be a delay in courier delivery times. We apologise in advance for any inconvenience caused. Important Notice: Due to unforeseen circumstances beyond our control, there may be a delay in courier delivery times. We apologise in advance for any inconvenience caused. Key Points Quantity Included: 4 Plug Type: Nickel Electrode Gap (mm): 0.6 External Thread (mm): 14 Spanner Size (mm): 20.8 mm Spark Plug: 1 - Earthed Electrode / Nickel Middle Electrode / no interference suppression / Unscrewable SAE connector / with gasket seat Spark Position (mm): 1 Thread Length (mm): 19 Product Description Your vehicles ignition system plays a vital role in the smooth running.