Refresh your ignition system in one shot with APR Ignition Coils and pair with APR Iridium Pro Spark Plugs engineered to work together for a stronger, more consistent spark. Each 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. UP TO 6% MORE ENERGY OUTPUT THAN STOCK: Unlock max engine efficiency with top of the line engineering. APR coils produce a more consistent spark which can mean increased engine power, improved throttle response, quicker acceleration, & smoother idling. DURABILITY MEETS ENGINEERING: No more sluggish acceleration or misfires. From premium materials to rigorous testing, each coil is engineered for consistency, durability, and more efficient power delivery–all packaged in a sleek, performance-grade casing. DIRECT PLUG AND PLAY: Just a few steps to your instant upgrade. Visually confirm 4-prong fit, then swap out existing OEM coils for plug and play ease. COMPATIBILITY: APR MS100219 coils are compatible with Audi Models A8 Quattro 2013-2018, RS7 2014-2018, S6 2013-2018, S7 2013-2018, and S8 2013-2018. Also fits Bentley Continental 2013-2017 and Flying Spur 2015-2019. REPLACEMENT FOR STOCK OEM: Direct replacement for OEM stock part numbers 06H905110G, 079905110L, 079905110N, 079905110P, and 079905110R. TRUSTED IN THE U.S. FOR OVER 25 YEARS: Founded in 1997, APR is Headquartered in Opelika, Alabama and has become a global leader in quality and reliable performance aftermarket products for Volkswagen, Audi, Porsche, and other vehicles. Includes: One Ignition Coil (MS100219)