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Ships within 48 hours · Estimated delivery Jul 15 - Jul 20
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Description
Fits Various vehicles Iridium Pro Spark Plugs-14x26.5x16mm-Heat Range 9 Z1003100APR 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
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.
Features:
- Heat range 9 spark plug (Similar: Bosch 3, Brisk 10, 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
- 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
FEATURES
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
4.4 ★★★★★
Based on 122 reviews
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Product Reviews
★★★★★ 5
Wonderful outdoor fetch ball!
Theme: 2 Pack, Size: Medium
This medium sized Chuckit is perfect for my 21 lb dog. It's great for outdoor play. I needed to find an alternative to tennis balls because my pup tears up their outside material. With this ball she can easily play fetch and run around. It's easy for her to grab onto and does not impede her breathing. It's seems sturdy and quite flexible. The medium is perfect for her size.
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Reviewed in the United States on April 10, 2026
★★★★★ 5
Great Ball for training Labs
Theme: 2 Pack, Size: Medium
This is my 80lb Lab's favorite fetch toy. We workout for 45 min to 2 hr every night that's dry enough (in San Antonio it's standard conditions). When I first saw the ball I almost returned it thinking it'd tear apart very quickly. That proved to not be the case. I've used it nightly for the last 3 weeks or so without any signs of tearing. It has a very good glow for night play. Some may consider it small for a lab, but when playing very aggressive catch it's our ball of choice. We work on catching, chasing, tracking, reflexes.. this ball's perfect for that. The more solid, 3.5 in + balls are simply too much and I'm afraid they could hurt the dog during aggressive play.
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Reviewed in the United States on February 10, 2026
★★★★★ 5
Indestructible
Theme: 2 Pack, Size: Medium
My puppy's love it because it glows in the dark and they can chew chew chew and never break it
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Reviewed in the United States on May 27, 2026
★★★★★ 5
Quality is Top notch and the dog Loves them.
Theme: 2 Pack, Size: Medium
Just like every other Chuckit! product I've purchased, the Air Glow Fetch Balls are of great quality and my German Wire Haired pointer loves them. He tends to not immediately bring balls back after retrieving them and prefers to aggressively gnaw them instead which is why I purchase Chuckit balls instead of normal tennis balls and all of them stand up to the abuse. I don't think he's ever chewed any of them apart and they are of high enough quality that we always end up losing or misplacing them before they are destroyed.
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Reviewed in the United States on May 16, 2026
★★★★★ 5
Dogs love them!!!
Theme: 2 Pack, Size: Medium
Good balls. Durable even though they are not solid. Can find at night always, no more lost balls. Very fun to play with the dogs at night!!!
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Reviewed in the United States on February 3, 2026