APR KT100039 Ignition Coil & Spark Plug Kit 4.0T EA824 8-cylinder Engines

Refresh your ignition system in one shot with an APR Coils & Plugs Pack—matched high-output ignition coils and iridium spark plugs engineered to work together for a stronger, more consistent spark. Each kit is a direct-fit upgrade designed to support smoother idle, sharper throttle response, and reliable performance under heat and load—whether you’re stock or running higher boost and power upgrades.\nENGINEERED AS A SYSTEM: This package pairs APR high-output ignition coils with APR Iridium Pro spark plugs selected for your 8-cylinder application to deliver a stronger, more consistent spark and a complete ignition refresh in one box.\nENERGY OUTPUTS: APR ignition coils increase energy output by up to 6% over stock to help provide a stronger and more consistent spark. Iridium electrodes require less voltage to fire and support stable combustion as cylinder pressures increase.\nA DIRECT-FIT UPGRADE: Direct plug-and-play coil replacement plus direct-fit iridium spark plugs—no wiring, coding, or tuning changes required. Always verify spark plug size, reach, gap, and heat range before installation.\nHIGH-TEMP DURABILITY: Coils are engineered with upgraded internal components and batch-tested for reliability. Spark plugs feature an iridium electrode and copper core construction for efficient heat dissipation; heat range 9 is designed to support consistent performance in high-heat and high-load conditions.\nCOMPATIBILITY: Configured for the engine family listed above using spark plug heat range 9. Spark plug OEM cross-reference: 06K905601B/D/K/M, 06Q905601E/L. Ignition Coil direct replacement for OEM stock part numbers 06H905110G, 079905110L, 079905110N, 079905110P, and 079905110R. Always confirm fitment by application guide and visually confirm connector/boot style before installation.\nTRUSTED IN THE US: Founded in 1997, APR is headquartered in Opelika, Alabama and has become a global leader in quality, reliable performance aftermarket products for Volkswagen, Audi, Porsche, and other vehicles.\nPack Includes: Includes: 8 ignition coils (MS100219) + 8 iridium spark plugs (Z1003100).