Put simply, NGK genuine spark plugs are the workhorse at the heart of smooth-running engines around the world. EA888 Gen3 (IS38)This set of 4 NGK Racing Competition plugs are a competition replacement for the standard Golf 'R' Mk7, Leon Mk3 Cupra,.

The warranty does not cover damage caused by incorrect installation, failure to comply with the maintenance requirements of the vehicle, processing or otherwise changing the product, ordinary wear and tear, or any other external influences. When turbocharging or adding any form of forced induction to an engine, care needs to be taken around controlling detonation of the mixture. Ideally used when a car is running slightly hotter cylinder temperatures from increased boost levels. With the decision "Only accept essential cookies" we will respect your privacy and will not set cookies that aren't necessary for the operation of the site.

We can now ship using standard post on some items, however using all methods you may incur import charges when you receive the goods for which we cant be responsible for. Borrowing beyond your means could seriously affect your financial status, ensure you can afford to make your repayments on time by the due date.

If this isn't available, we are able to supply a replacement box for a small fee, please contact us to arrange this.Get the best spark you can out of your ignition system with these resistorless race spark plugs, we only run these on our personal cars and find they respond very well to it, improved throttle response and less spark blowout issues at higher boost levels. 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. They also receive top marks for durability, with such impressive features as metal plating to resist corrosion and seizing, as well as a long insulator nose to prevent fouling.