Your Jaguar XJ is part of a long, proud line of Jaguar flagship cars, and the first generation was the last Jaguar to receive any input from the founder of the Jaguar brand. The car represents the finest in luxury performance cars with all the flashy amenities you'd expect and some of the highest performing engines in the production market. Keep your big cat purring by keeping up a proper maintenance schedule with things such as oil changes and regularly checking you XJ spark plugs and replacing them as needed.
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Crank your combustion up to 11 and experience immediate gains in power, fuel economy and motor longevity with Pyrotek E3 Spark Plugs. Featuring their unique DiamondFire technology, E3 plugs burn sooner and stronger for intense results. Custom gapped. 5-year warranty.
For a high-tech tune-up and rubber-burning performance, make the switch to Pulstar Spark Plugs. Armed with an integrated capacitor, they store and compress electricity before unleashing it in a spectacular spark for 5,000,000 watts of peak power. Limited Lifetime Warranty.
One eroded or fouled XJ spark plug can cause a loss of power and gas mileage, and eventually extremely expensive engine damage to your Jaguar XJ. You can easily avoid these problems, however, by keeping an extra set of Jaguar XJ spark plugs on hand for whenever the time comes around that replacement is necessary. Here at AutoAnything, we stock a large selection of XJ spark plugs to fit any budget and we guarantee you the lowest possible price with our one-year lower price guarantee. If you find a lower price for a year after your purchase, we'll refund the difference and throw in a dollar.