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Ships within 48 hours · Estimated delivery Jul 29 - Aug 3
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Description
HKS Super Fire Racing Spark Plug 50003-M35LFM Series Super Fire Spark Plugs HKS M Series spark plugs are high performance Iridium plugs designed to provide improved ignition performance, durability and anti carbon build up. 0. 6mm Iridium Alloy Center Electrode Outer Electrode with Platinum Chip Short Type Outer Electrode (Anti Vibration) Thermal Edge Spark Support Gap M Series is recommended for reliable ignition, durability and anti carbon buildup under high load. The Iridium alloy is used
M-Series Super Fire Spark Plugs
HKS M-Series spark plugs are high performance Iridium plugs designed to provide improved ignition performance, durability and anti-carbon build-up.
- 0.6mm Iridium Alloy Center Electrode
- Outer Electrode with Platinum Chip
- Short Type Outer Electrode (Anti-Vibration)
- Thermal Edge
- Spark Support Gap
M Series is recommended for reliable ignition, durability and anti-carbon buildup under high load.
The Iridium alloy is used because of its durability and reliability. On an average plug, a narrow core typically shortens life span of plug but with the intense durability of iridium there is no sacrifice in any longevity. With a high melting point of 2454 degrees C, opposed to the 1769 degrees C of white gold, the electrode can tolerate the high levels of compression and minor knocking without any deterioration. A nickel coating on the housing also prevents the spark plug from premature deterioration. The Iridium plugs are available for multiple applications and offered in "colder" heat ranges of 7 and up and specifically for rotary, heat ranges of 9 and up are offered.
Heat Range: NGK # 7
Thread Size: 14mm × 25mm
Wrench Size: 16mm
Fits:
| 2006 - 2009 | MAZDA | 3 | L4 | 2.0 | ALL | From 6/2006 Thru 6/2009 Production Date | BKEP Chassis | Stock Plug/Heat Range: Conical Long Reach:5 |
| 2006 - 2009 | MAZDA | 3 | L4 | 2.3 | ALL | From 6/2006 Thru 6/2009 Production Date | BK3P Chassis | Stock Plug/Heat Range: Conical Long Reach:5 |
| 2009 - 2011 | MAZDA | 3 | L4 | 2.0 | ALL | From 6/2009 Thru 8/2011 Production Date | BLEFP Chassis | Stock Plug/Heat Range: Conical Long Reach:6 |
| 2009 - 2013 | MAZDA | 3 | L4 | 2.0 | ALL | From 6/2009 Thru 11/2013 Production Date | BLEAP Chassis | Stock Plug/Heat Range: Conical Long Reach:5 |
| 2007 - 2009 | MAZDA | 3 | L4 | 2.3 | MZR | From 6/2006 Thru 6/2009 Production Date | BK3P Chassis | Stock Plug/Heat Range: Conical Long Reach:6 |
| 2009 - 2013 | MAZDA | 3 | L4 | 2.3 | MZR | From 6/2009 Thru 11/2013 Production Date | BL3FW Chassis | Stock Plug/Heat Range: Conical Long Reach:6 |
| 2005 - 2007 | MAZDA | 6 | L4 | 2.3 | ALL | From 6/2005 Thru 12/2007 Production Date | GG3P Chassis | Stock Plug/Heat Range: Conical Long Reach:5 |
| 2008 - 2012 | MAZDA | 6 | L4 | 2.5 | ALL | From 1/2008 Thru 11/2012 Production Date | GH5FP/GH5AP Chassis | Stock Plug/Heat Range: Conical Long Reach:5 |
| 2006 - 2007 | MAZDA | 6 | L4 | 2.3 | MZR | From 6/2005 Thru 12/2007 Production Date | GG3P Chassis | Stock Plug/Heat Range: Conical Long Reach:6 |
| 2007 - 2011 | MAZDA | CX-7 | L4 | 2.3 | MZR | From 12/2006 Thru 12/2011 Production Date | ER3P Chassis | Stock Plug/Heat Range: Conical Long Reach:5 |
| 2006 - 2014 | MAZDA | MX-5 MIATA | L4 | 2.0 | ALL | From 8/2005 Production Date | NCEC Chassis | Stock Plug/Heat Range: Conical Long Reach:6 |
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
4.7 ★★★★★
Based on 30 reviews
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Product Reviews
★★★★★ 5
Big guy, big smiles!
Size: XX-Large, Color: Mg03- Ethnic
I picked two different patters of these lightweight hoodies for golfing and they're now an everyday item! Active wise, these stretch in every direction while moving without friction. I wore this hoodie for the first seven holes before the sun broke through the clouds without noticing it.
My only concern, while premature is the stiching on the sleeves. I felt the loops catching the velcro on my glove a few times, but after 7 holes, and 20+ shots, I didn't see any sign of abrasion.
I'm a big guy, 6'4" 290# I usually wear a XLT shirt and picked these up as XXL. Wasn't swimming in them, they fit nicely and fell in line with the hem of my shirt. I plan to buy several more!
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Reviewed in the United States on March 12, 2026
★★★★★ 5
Title: Exceptional Comfort and Fit: M MAELREG Hoodies for Men Review
Size: XX-Large, Color: Mg02- Dark Green Heather
I recently purchased the M MAELREG Hoodie for Men, and I must say it has quickly become my go-to choice for comfort and style. This hoodie is not only a great addition to my wardrobe but also a standout performer in terms of softness, fit, and versatility.
One of the standout features of this hoodie is its incredible soft feel. I appreciate the fact that it is comfortable enough to wear without an undershirt, making it perfect for various casual occasions. The fleece material is not only soft against the skin but also provides a cozy warmth without sacrificing breathability.
For those of us who don't conform to the skinny jeans trend, the M MAELREG Hoodie offers a breath of fresh air. The hoodie provides plenty of room without compromising style, making it an excellent choice for those who prefer a more relaxed fit. It's a welcome departure from the snug styles that dominate the market.
I'm 6'3" and 250 lbs, not particularly muscular, and finding a hoodie with the right fit has always been a challenge. However, the XXL size of this sweatshirt exceeded my expectations. It not only has shape but also boasts an impressive arm length of 37-38 inches.
The body length also dropped below the typical fit by a few inches, which I love.
As someone who enjoys golf and various outdoor activities, I appreciate the versatility of this hoodie. It provides the perfect balance for cool weather, keeping me comfortable without feeling bulky or restrictive. The hoodie's design and fit make it suitable for a range of activities, making it a valuable addition to my wardrobe.
In conclusion, the M MAELREG Hoodie for Men stands out for its exceptional softness, roomy fit, and versatility. Whether you're heading out for a round of golf or simply want a comfortable, stylish option for everyday wear, this hoodie delivers on all fronts. I highly recommend it to anyone looking for a reliable, comfortable, and well-fitting sweatshirt that goes beyond the norm.
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Reviewed in the United States on January 28, 2024
★★★★★ 5
Good but sizes vary
Size: XX-Large, Color: Mg03- Dark Blue Snowflake
These are really great and fit well. I like the variety of colors and designs. Only downside is some are tight and some are loose not sure if its because of the different designs or materials.
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Reviewed in the United States on May 10, 2026
★★★★★ 5
Excellent quality & value
Size: X-Large, Color: Mg00- White
Love these hoodies, excellent for golf and the quality is excellent. I brought 3 already of these nice looking hoodies. I own many other Maelreg shirts.
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Reviewed in the United States on May 30, 2026
★★★★★ 5
The perfect casual layer—unbelievably soft!
Size: Large, Color: Burgundy
I am seriously impressed with this hoodie. It’s made from a lightweight jersey material that feels just like a broken-in, high-quality t-shirt. It’s perfect for those transitional weather days when a heavy fleece hoodie would be too warm, or for just lounging around the house. The fit is spot on—not too baggy but with enough room to move comfortably. It washes really well without shrinking or losing its shape. For the price, you absolutely cannot beat the value. I'll definitely be buying a few more colors!
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Reviewed in the United States on May 23, 2026
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