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NGK Iridium IX DCPR7EIX Spark Plugs for 1999-2016 Harley Davidson Twin Cam (Pair)

EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine type making it one of the most durable spark plugs on the market today.
FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency. Our finewire electrodes produce more focused and consistent ignitability resulting in less fuel consumption.
OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and optimal performance.
AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement spark plug needs.
CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems and a V-trimmed ground electrode for improved ignitability.

The ultimate in spark plug technology and performance.
Iridium electrode is smaller than a standard electrode.
Hotter spark and extended spark plug service life compared to conventional plugs.
Has the distinctive black ceramic with and gold-colored corrosion-protected coating on the metal shell.
Sold in pairs and replaces Harley# 6R12 / NGK# DCPR7EIX.

The ultimate in spark plug technology and performance.
Iridium electrode is smaller than a standard electrode.
Hotter spark and extended spark plug service life compared to conventional plugs.
Has the distinctive black ceramic with and gold-colored corrosion-protected coating on the metal shell.
Sold in pairs and replaces Harley# 6R12 / NGK# DCPR7EIX.

EXTENDED CHANGE INTERVAL: The Autolite Iridium XP automotive replacement spark plug is engineered to last for up to 100,000 miles depending on engine....
FUEL EFFICIENCY: These spark plugs utilize a 0.6mm finewire iridium centerwire tip design with laser welded technology for maximum fuel efficiency.....
OPTIMAL PERFORMANCE: This replacement iridium spark plug provides better durability and a more focused ignition for better overall ignitabilty and....
AUTOLITE ADVANTAGE: Autolite has been producing spark plugs since 1936 making it one of the most trusted and reliable brands for your OE replacement....
CONSTRUCTION: Every iridium spark plug comes with a platinum protected ground wire for maximum efficiency in all ignition types including DIS systems....

Often specified as original equipment, NGK Laser Iridium spark plugs are the best combination of performance and longevity..
Research applications prior to purchase to make sure this part fits your vehicle including engine, trim level & quantity needed.
Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer.

Trivalent Metal Plating provides superior anti-corrosion and anti-seizing properties.
Part number of spark plug inside the box: BKR5EIX-11.
Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines.
Often specified as original equipment, NGK spark plugs are the best combination of performance and longevity..
Offering the Quality, Reliability and Durability You'd Expect from an OEM Manufacturer.
Research applications prior to purchase to make sure this part fits your vehicle including engine, trim level & quantity needed.

This 8 pack NGK G-Power 3403 Spark Plug replaces Autolite AP5243, Autolite AP606, Autolite AP5245, Autolite AP5245DP2, Autolite AP605, Autolite AP605DP2, Autolite AP606DP2, Autolite APP605DP2,.
REDUCE EMISSIONS AND MISFIRES: This tried-and-true Spark Plug boosts performance, reduces emissions, and enables better fuel economy so that your engine runs at its best. The durable shell reliably protects the spark plug from corrosion, ensuring long-lasting sparking capabilities. The center and ground electrodes promote sharper spark focus for fewer misfires.
IMPROVE IGNITION AND SPARK EFFICIENCY: This Spark Plug employs advanced center and ground electrodes to produce complete and efficient combustion and deliver an outstanding spark for faster, stronger, and more powerful combustion over the life of the spark plug. The corrosion-resistant center and ground electrodes minimize spark gap growth and provide greater ignitability and spark efficiency.
RELY ON QUALITY IGNITION COMPONENTS: From their start in 1936 through today, the NGK product line is proof of their dedication to innovation, performance, and quality. In order to deliver high-quality spark plugs and oxygen sensors to the automotive community, NGK has partnered with auto manufacturers to enginee....

...is compatible with Mazda RX-8 2011, 2010, 2009, 2008, 2007, 2006, 2005, 2004 1.3L R2 and is perfect for a tune up or performance upgrade..
ENSURE FAST STARTS: NGK Ignition Coils ensure fast starts, consistent engine performance, and optimized fuel efficiency. The coils are OE-engineered for a streamlined path to the spark plug and reduced shorts, and they eliminate the need for spark plug wires. High-quality wire coating ensures resilient, long-lasting functionality and minimal current fluctuation. NGK coil designs are developed and proven tough in their ISO 17025 accredited test lab at extreme conditions.
GAIN EFFECTIVE COMBUSTION: The NGK Ignition Coil delivers optimal combustion and consistent, high-energy ignition output. These Ignition Coils, also known as engine coils or spark plug coils, deliver the highest in durability and operational performance. Designed for exacting fitment and connectivity, install NGK Ignition Coils with OE-confidence. Covering 95 percent of all vehicles in operation in the U.S., NGK has improved coil efficiency for maximum available voltage under all conditions.
RELY ON QUALITY IGNITION COMPONENTS: From their start in 1936 through today, the NGK product line is proof of their dedication to innovation, performance, and qua....

This is a Brand New Tune up kit. It has a set of 4 Ignition Coils, 4 NGK Ignition Wires and 4 NGK Iridium Spark Plugs. It will fit the following makes....