Refresh your ignition system in one shot with APR Iridium Pro Spark Plugs and pair with APR Ignition Coils – engineered to work together for a stronger, more consistent spark. Each is a direct-fit upgrade designed to support smoother idle, sharper throttle response, and reliable performance under heat and load—whether you’re stock or running higher boost and power upgrades.
14x19x16mm - Heat Range 9
- 152% higher melting point than silver, 125% higher than copper, and 38% higher than platinum.
- Heat range 9 spark plug (Similar: Bosch 3, Brisk 10, Denso 27, and NGK 9)
- Optimized electrode design for hard to ignite fuels, such as ethanol
- Designed for high performance / tuned vehicle applications
- Cooler operating temperature than stock plugs
- Resists preignition better than stock plugs
- An excellent match for APR ignition coils
- Stronger than copper and platinum
- Perfect for upgraded APR vehicles
- Lower required supplied voltage
- Projected insulator design
- Thread diameter: 14mm
- Install Torque: 25 Nm
- Thread reach: 19mm
- Seat Type: Gasket
- Made in the EU
- Hexagon: 16mm
| Air Freight Prohibited: false |
| Not Carb Approved: false |
| Carb Acknowledgement Required: false |
| Ltl Freight Required: false |
| Prop 65: Y |
| Part Type: automotive |
| Epa: N/A |
| Regular Stock: false |
| Units Per Sku: 1 |
Vehicle Fitment
| Years |
Make |
Model |
Trim |
| 2006, 2013 |
Audi |
A3 |
2.0T |
| 2009, 2014 |
Audi |
A4 |
2.0T |
| 2008, 2015 |
Audi |
A5 |
2.0T |
| 2012, 2016 |
Audi |
A6 Quattro |
3.0T |
| 2012, 2016 |
Audi |
A7 Quattro |
3.0T |
| 2013, 2018 |
Audi |
A8 Quattro |
3.0T |
| 2013, 2016 |
Audi |
allroad |
2.0T |
| 2015, 2018 |
Audi |
Q3 |
2.0T |
| 2010, 2017 |
Audi |
Q5 |
2.0T |
| 2012 |
Audi |
Q7 |
3.0T |
| 2007 |
Audi |
Q7 |
3.6L |
| 2010, 2016 |
Audi |
S4 |
3.0T |
| 2016 |
Audi |
S5 |
3.0T |
| 2008 |
Audi |
S5 |
4.2L |
| 2014, 2017 |
Audi |
SQ5 |
3.0T |
| 2008, 2013 |
Audi |
TT |
2.0T |
| 2008, 2014 |
Audi |
TTS |
2.0T |
| 2012, 2015 |
Porsche |
Panamera |
3.0T |
| 2012, 2016 |
Volkswagen |
Beetle |
2.0T |
| 2009, 2016 |
Volkswagen |
CC |
2.0T |
| 2006, 2014 |
Volkswagen |
Eos |
2.0T |
| 2012, 2016 |
Volkswagen |
Golf R |
2.0T |
| 2006, 2013 |
Volkswagen |
GTI |
2.0T |
| 2006, 2014 |
Volkswagen |
Jetta |
2.0T |
| 2012, 2015 |
Volkswagen |
Passat |
2.0T |
| 2009, 2017 |
Volkswagen |
Tiguan |
2.0T |
| 2018 |
Volkswagen |
Tiguan Limited |
2.0T |
| 2009, 2016 |
Volkswagen |
Touareg |
3.6L |