APR Ignition Coil & Spark Plug Kit (4.0T EA825 8-cylinder engines)

Mfg Part #

KT100034

NP#

APRKT100034

Brand

Fits 2018 to 2026 Audi A8 Quattro, RS6 Avant, RS Q8 and 3 more models; 2017 to 2026 Bentley Bentayga, Continental, Flying Spur; 2018 to 2027 Lamborghini Urus; 1 more makes. See every vehicle

• APR IGNITION COILS:
• 14% more energy output than stock
• Increased copper winding diameter with reduced resistance
• Increased neodyminum magnet size and strength
• Red housing with APR Logo
• True upgrade, not just aesthetic
• Direct plug-and-play
• Batch tested to over 73 hours or 15,768,000 coil firings
• 1 year unlimited-mile direct-replacement warranty
• APR IRIDIUM PRO SPARK PLUGS:
• Heat range 9 spark plug (Similar: Bosch 3, Brisk 10, Denso 27, and NGK 9)
• 152% higher melting point than silver, 125% higher than copper, and 38% higher than platinum.
• Designed for high performance / tuned vehicle applications
• Projected insulator design
• Lower required supplied voltage
• Cooler operating temperature than stock plugs
• Optimized electrode design for hard to ignite fuels, such as ethanol
• Resists preignition better than stock plugs
• Perfect for upgraded APR vehicles