DescriptionSpark Plug NGK B9HS Fits Vespa PX 125 - 150 VNA VBB Sprint Super & LML copperM14x1,25, wrench width 20,8mm, short threadsimilar to BOSCH W2AC/W3AC/DENSO W27FS-USpark plugsthread type: M14x1,25length spark plug thread: 12.7 mmthread spark plug: shortwrench size: 21 mmelectrode material: Nickelelectrode type: standardspark plug with terminal (grommet):protective cap is screwable:heat rating Bosch: W2ACheat rating Denso: W27FSUheat rating Champion: L78C The higher the number on the plug the colder running the plug isColder spark plugs are suitable for racing cylinders and use over long distances. In this context, the sound thermal output of heat to the cylinder head takes place, there is a risk of sooting, using this plug around town howeverHotter spark plugs are used in sport and standard cylinders. The reach their operating temperature quickly but can also overheat.NGK the number 1 for spark plugs, 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 This plug is a SHORT reach standard type spark plug, with 14mm x 1.25mm thread.
