Dinan D640-0001 - Iridium Spark Plug - 12x26.5x14MM (Flat) - Heat Range 9

Dinan D640-0001 - Iridium Spark Plug - 12x26.5x14MM (Flat) - Heat Range 9

Dinan Iridium Spark Plug - 12x26.5x14MM (Flat) - Heat Range 9

B48/B58/S58

Compatible OEM Part #Cross Reference: 12120040551, 12122455258, 12120046646 & 12125A4EF60

• Heat range 9 spark plug (Similar: Bosch 3, Brisk 10, Champion 4, 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
• Acceptable for high performance / tuned and stock vehicle applications alike
• 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
• An excellent match for Dinan ignition coils
• Thread reach: 26.5mm
• Thread diameter: 12mm
• Hexagon: 14mm Bi-Hex
• Terminal Type: Cup
• Seat Type: Flat
• Install Torque: 17 Nm
• Insulator Material: Ceramic
• Supplied Gap: 0.5mm
• 1 step colder than OEM (Gen 1 B48, Gen 1/2 B58, & S58)
• Made in the EU