I changed from a regular plug to the Iridium ones and the one thing I noticed was morning cold starts in the minus temps was very smooth and got rid of some jerky riding experiences for the first 2-3 mins. This is subject to authorisation of the credit card and completion of any security checks deemed necessary.

This extremely small Iridium tip centre electrode concentrates the available electrical energy and combined with the taper cut ground electrode provides the best performance in terms of starting; idling and especially throttle response. NGK IX spark plugs use of the precious metal Iridium allowing the manufacture of an even smaller diameter centre electrode without compromising durability. Extra projected types push the spark position into the heart of the combustion chamber to promote better combustion of the fuel/air mixture; which is weaker than ever in an effort to improve economy. A wide range spark plug is more flexible and performs equally well in a hot or cold engine under stop and go city driving or fast motorway cruising.Our engineering departments work very closely with the engine and vehicle manufacturers to produce the ideal spark plug type for each application. Please be sure to check the 'Specifications' and 'compatibility' tabs, where applicable, to help confirm suitability for your vehicle or engine. Most parts are pattern or aftermarket although some will be genuine but are not always stated as being so. With it, NGK / NTK have been able to partner with auto manufacturers to engineer automotive parts that fit both the vehicles of today and of the future. From the high-tech Ruthenium HX™ to the industry standard OE-style spark plugs, NGK drives the future of spark plug engineering.

International products have separate terms, are sold from abroad and may differ from local products, including fit, age ratings, and language of product, labeling or instructions. Harder than other precious metals used in spark plugs and with an extremely high melting point; allow for an even smaller diameter centre electrode to be manufactured (0. From their Racing Spark Plugs, cold performance NGK Iridium Spark Plugs like Iridium IX and Laser Iridium, and performance spark plugs like NGK Platinum and NGK V-Power to their economical NGK G-Power Spark Plugs, Oxygen Sensors, NGK Spark Plug Wires, and Ignition Coils and Boots, the company dominates this automotive niche and continues to produce the best spark plugs for millions of drivers.Similar in design to the Platinum VX spark plug; the use of the precious metal Iridium allows us to manufacture a spark plug with an even smaller diameter centre electrode (0. PLEASE NOTE: This information applies to business to consumer sales: business to business sales are covered by a different policy. The heat range of NGK Spark Plugs is wider than ordinary plugs therefore they are suitable for both high speed and low speed driving. You can change your choices at any time by visiting Cookie preferences, as described in the Cookie notice. FAULTY ITEMS Biker Parts Direct is pleased to offer an exchange, replacement, or refund on any faulty item, within a reasonable period of time** of the original purchase date.