As you build more and more power the heat and pressure in the cylinder increases; changing to a spark plug that is ? Trivalent Metal Plating - superior anti-corrosion and anti-seizing properties - no anti-seize lubricant needed! Come join the discussion about performance, mods, troubleshooting, body kits, classifieds, maintenance, and more! The top half of the plug is shorter the lead has trouble reaching and is a bit of stretch, which can then cause a weak spark/missfire on it's own.

Note that there are restrictions on some products, and some products cannot be shipped to international destinations.

The winning combination contributes to an overall increase in performance, surpassing the capabilities of standard nickel spark plugs. These have the benefit of running 2 stages cooler than standard and will be ideal for those looking to change their plugs especially if running a highly modified Mini. Not sure how much if any difference it will make but if I cant get a 100% that they are ok I will have to stick with the expensive set for now. You will allow a reasonable opportunity for claims to be investigated by us/the manufacturer prior to any replacement, refund or credit being issued and where required provide additional information and or goods for inspection if requested by us or the manufacturer. I have my spark plugs changed every 20k miles (K03 Revo Stage 2) and have in the past used OEM plugs but this time asked Jim at JKM what he recommended.

Batteries are supplied in specialist packaging with the relevant health and safety precautions in place. Iridium is very heavy and dense metal, ensuring that NGK spark plugs have a longer lifespan than OEM ones, withstanding more than 100.Die Schlüsselnummern (KBA-Nummer) Ihres Fahrzeuges finden Sie auf der zweiten Seite des Fahrzeugscheines. Warranty is for replacement of a similar product, repair of the original product or refund of the purchase value only and excludes all labour and incurred charges including towing, fitting, inconvenience, and purchases of other manufacturer's products. Credit subject to status, UK residents only, Tegiwa Imports LTD acts as a broker and offers finance from a restricted range of finance providers. Finance is provided by PayPal Credit (a trading name of PayPal UK Ltd, Whittaker House, Whittaker Avenue, Richmond-Upon-Thames, Surrey, United Kingdom, TW9 1EH).