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.

• 1 step colder older than OEM (2.9T/3.0T EA829, 2.0T/2.5T/3.0T/3.7T 9A2)
• 152% higher melting point than silver, 125% higher than copper, and 38% higher than platinum.
• 2 steps colder than OEM (4.0T EA825)
• An excellent match for APR ignition coils
• Cooler operating temperature than stock plugs
• Designed for high performance / tuned vehicle applications
• Heat range 10 spark plug (Similar: Bosch 2, Brisk 8, Denso 31, and NGK 10)
• Hexagon: 14mm
• Install Torque: 17 Nm
• Insulator Material: Ceramic
• Lower required supplied voltage
• Made in the EU
• Non-projected insulator design
• Optimized electrode design for hard to ignite fuels, such as ethanol
• Perfect for upgraded APR vehicles
• Resists preignition better than stock plugs
• Seat Type: Gasket
• Stronger than copper and platinum
• Supplied Gap: .55mm +- .05mm
• Thread diameter: 12mm
• Thread reach: 26.5mm