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Ships within 48 hours · Estimated delivery Jul 7 - Jul 12
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Description
APR Iridium Pro Spark Plugs - 12x26.5x14mmAPR 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 and with its copper core can dissipate heat more
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 and with its copper core 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.
Features:
- 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
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 1498 reviews
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Product Reviews
★★★★★ 5
Good quality
Good price compared to other brands. Also lasted longer than the other I have tried.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on November 18, 2025
★★★★★ 5
Will order again!
This soap worked wonders for my psoriasis. It was very gentle on my skin. The bars lasted a long time which I feel like made it worth the money. The ingredients being all natural is also a plus for this product. While it didn't make my psoriasis flaw-up go away it did help with the itchiness of the areas. And it just soothe my skin.
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Reviewed in the United States on May 7, 2026
★★★★★ 5
Great product.
I bought this as a Christmas gift for my son who has eczema. He told me that he uses it daily and have had no issues and been eczema free since.
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Reviewed in the United States on May 18, 2026
★★★★★ 5
Love this soap
Feels great on my skin. I use it on my face too. Seems to calm my psoriasis when it’s flaring. Fresh scent, happy with my purchase.
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Reviewed in the United States on March 30, 2026
★★★★★ 4
This soap smells really good. My son uses this soap for his eczema.
I like the fact, that the soap bars are big. I was able, to cut it in half. But, it does come with 2 bars. And it smells really nice.
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Reviewed in the United States on April 20, 2026
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