Spark plug adaptor - 14mm/18mm

Allows a 14mm x 1.25 pitch plug to be fitted in to a 18mm x 1.5 pitch plug hole, enabling customers to take advantage of the wider heat range of 14mm x 1.25 plugs. When fitted 1/2" reach spark plugs need to be fitted for electrodes to reach combustion chamber. Overall height approximately 15.5mm. | Dimensions: 14mm; 18mm; 1/2"; 15.5mm | Supplier part no: 452