APR EA825/EA839/9A2 Iridium Pro Spark Plug - Heat Range 10 - 12mm x 26.5mm x 14mm - SINGLE

Includes: One iridium spark plug (Z1004081).

• Heat range 10 spark plug (Similar: Bosch 2, Brisk 8, Denso 31, and NGK 10)
• 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: 12mm
• Hexagon: 14mm
• Seat Type: Gasket
• Install Torque: 17 Nm
• Insulator Material: Ceramic
• Supplied Gap: .55mm +- .05mm
• 2 steps colder than OEM (4.0T EA825)
• 1 step colder older than OEM (2.9T/3.0T EA829, 2.0T/2.5T/3.0T/3.7T 9A2)
• Made in the EU

Always check sizes, gap, and heat range specs before installing. Installation of the wrong length plug can cause damage to the engine. You must verify this before installing the plug.

This part also goes by the following cross reference.

Cross Reference Part Number: aprZ1004081