The NGK Standard Spark Plug is constructed from durable material that is corrosion and abrasion resistant. The copper cores gives superior heat conductivity which dissipates the heat of the engine away from the firing end, which helps to prevent hot spots and pre-ignition in the engine. PLEASE NOTE: This information applies to business to consumer sales: business to business sales are covered by a different policy. Each and every spark plug manufactured by NGK is designed to meet the most rigorous standards, ensuring there ability to deliver reliability and consistent performance under all conditions.

However, if you have reason to make a complaint about our service you should contact Youles Motorcycles Ltd, if we are unable to resolve your complaint satisfactorily, you may be entitled to refer the matter to the Financial Ombudsman Service (FOS). Utilizing a wide variety of materials, from standard copper-core type to Iridium, NGK is the world's leader in spark plug engineering and technology. Halfords Ltd is authorised and regulated by the Financial Conduct Authority (FRN 724263) and acts as a credit intermediary and not a lender, offering credit products provided exclusively by Klarna Bank AB (publ). All applications are assessed individually by Klarna and decisions are based on individual circumstances.