APR Iridium Pro Spark Plug 14x26.5x16mm
VW · Audi

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APRSKU: Z1003100
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Product Details

APR Iridium Pro Spark Plugs are the excellent upgrade for tuned engines. Our spark plugs are made from Iridium, which is one of the strongest materials you can use in this type of application. They run cooler, resist preignition, last longer than other materials with higher melting points, and even require less voltage to produce a strong spark. The electrode is harder and stronger than other materials, can dissipate heat more easily, is better protected from melting, cracking, and other limitations found with standard plugs.

These plugs were designed for use on tuned and higher output vehicles that benefit from a plug cooler than the factory heat range. They are great for high boost, high cylinder pressure, high cylinder temperatures, and high power situations, and they pair nicely with a set of APR ignition coils, where applicable.

Product Features:

  • Heat range 9 spark plug (Similar: Bosch 3, Brisk 10, Denso 27, and NGK 9)
  • 152% higher melting point than silver, 125% over copper, 38% over 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

What's Included:

  • APR Iridium Pro Spark Plug

Vehicle Fitment

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Make Model Drivetrain
4M Q7 2.0L Turbo I4
B7 Passat 1.8L Turbo I4 [GEN 3] FWD
B7 Passat 2.0L Turbo I4 [GEN 3B] FWD
B8 Passat 2.0L Turbo I4 [GEN 3B] FWD
B9 A4 2.0L Turbo I4 FWD |
B9 A5 2.0L Turbo I4 FWD |
B9 Q5 (80A) 2.0L Turbo I4
C7 RS7 4.0L Turbo V8
C7 S6 4.0L Turbo V8
C7 S7 4.0L Turbo V8
C8 A6 2.0L Turbo I4
C8 RS7 4.0L Turbo V8
D4 A8 4.0L Turbo V8
D4 S8 4.0L Turbo V8
MK1 Arteon 2.0L Turbo I4 FWD |
MK1 Atlas 2.0L Turbo I4 FWD |
MK2 Beetle (5C) 1.8L Turbo I4 [GEN 3] FWD
MK2 Beetle (5C) 2.0L Turbo I4 [GEN 3] FWD
MK2 Tiguan (5NA) 2.0L Turbo I4 [GEN 3] FWD |
MK2 TT RS (8J) 2.5L Turbo I5
MK3 TT (8S) 2.0L Turbo I4
MK3 TT RS (8S) 2.5L Turbo I5
MK3 TTS (8S) 2.0L Turbo I4
MK6 GLI (1B) 2.0L Turbo I4 [GEN 3] FWD
MK6 Jetta (1B) 1.8L Turbo I4 [GEN 3] FWD
MK7 GLI 2.0L Turbo I4 FWD
MK7 Golf 1.8L Turbo I4 FWD
MK7 Golf Alltrack 1.8L Turbo I4
MK7 Golf Sportwagen 1.8L Turbo I4 FWD |
MK7 GTI 2.0L Turbo I4 FWD
MK7 R 2.0L Turbo I4

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