Ran battery dead trying to restart it. Actual products may differ from images shown. A review of the iridium spark plug advantages and disadvantages can help you to find out! DENSO 4504 PK20TT Platinum TT Spark Plug Whilst iridium is overall the best material to look for in a spark plug, it’s also pretty expensive. Through the use of special spark plug making magic, DENSO has combined Iridium and Rhodium to create a plug that is super resistant to corrosion and corrosive chemicals like gasoline. Perfect Combustion for Perfect Acceleration. Reviewed in the United States on September 23, 2014, 2009 Buell Blast fit perfectly just remember to put a small amount of red locktite in the middle of the threads to keep the small brass cap on the top of the plug or it will vibrate off. Find parts, prices and availability at Sparkplugs Ltd. I shouldn't have worried. This plug fits perfectly. During the start of the race, non-starting from carbon fouling and carbon deposits can be fatal. Some of its best spark plugs for motorcycles are the Denso Platinum TT Spark Plug and the Denso Iridium Long Life Spark Plugs. Top subscription boxes – right to your door, Denso (5731) IXU01-27 Iridium Racing Spark Plug, (Pack of 1), See all details for Denso (5731) IXU01-27 Iridium Racing Spark Plug, (Pack of 1), © 1996-2020, Amazon.com, Inc. or its affiliates. List of the Advantages of Iridium Spark Plugs. Platinum constructed plugs are not a million away in terms of quality and life span, and this model from DENSO is … You will often find them in luxury vehicles, which is testament to their quality. Find product information Products. To stop this, the insulator has been coated with a silicone coating. Definitely worth the $35'ish. 0.4mm Iridium-Rhodium alloy center electrode requires less voltage to fire and increases firing performance. Buy Denso (5731) IXU01-27 Iridium Racing Spark Plug, (Pack of 1): Spark Plugs - Amazon.com FREE DELIVERY possible on eligible purchases It is hard to pull out a winner in the NGK vs Denso debate since both are iridium spark plugs and offer almost similar performance. 5All-platinum Ground Electrode Find helpful customer reviews and review ratings for Denso (5731) IXU01-27 Iridium Racing Spark Plug, (Pack of 1) at Amazon.com. The fact that it should last a lifetime is nice. 40.4 mm Diameter Ultra-Fine Iridium Center Electrode To be honest, I have use a lot of different brands over the years - Champion, Autolite, Bosch, DENSO, etc., and, in my experience, all high-quality plugs have performed well and lasted a long time in modern cars with electronic ignition (not like the old days with points and condenser! Go with this top-of-the-line product and get the maximum in quality and performance. Other than that this plug made a huge difference in power and how well it runs, Reviewed in the United States on July 2, 2012. Copyright ©2018 DENSO CORPORATION. loadingecat. The electrode’s diameter in these plugs shrinks more than an NGK. The spark plug is precision-welded using Denso’s exclusive 360-degree laser welding technology to ensure lasting performance. The Review Team. Is it worth the investment? 02 Blast (fit guide says it doesn't fit this model, but the rest of the internet says it does). Use IRIDIUM RACING and experience a ride like never before. Once installed, the bike started right up! DENSO can boast being the first manufacturer to use iridium – something which has become standard for many spark plug makers these days. Bike has handful of basic mods and had stock HD plug (practially brand new) in it when I got it. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. 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