APR Iridium Pro Spark Plugs Set of 4 for Golf 7 GTI / Golf 8 R / Golf 7 R / Golf 8 R /S3 8V / TT 8S / Leon 5F Cupra - Heat Range 9

This pack of 4 APR Iridium Pro spark plugs is a great choice for tuned 2.0 TFSI EA888.3 and EA888.4 engines, such as those in the Golf 7 R, Golf 8 GTI, S3 8V / 8Y, Leon 3 Cupra, Octavia vRS or TT Mk3. Made with Iridium for maximum durability under high temperatures and pressures, these grade 9 spark plugs deliver a stronger spark and improved heat dissipation, no matter the fuel type.

Key features:

• 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.
• Stronger than copper and platinum
• Designed for high performance / tuned vehicle applications
• Non-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
• An excellent match for APR ignition coils
• Thread reach: 26.5mm
• Thread diameter: 14mm
• Hexagon: 16mm
• Seat Type: Gasket
• Install Torque: 25 Nm
• Made in the EU