HKS Super Fire Racing Spark Plug 50003-M40IL
SKU: 12128927476

HKS Super Fire Racing Spark Plug 50003-M40IL

$36.82 $40.91
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Description

HKS Super Fire Racing Spark Plug 50003-M40ILM 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 # 8
Thread Size: 14mm × 26.5mm
Wrench Size: 16mm

Fits:

2005 - 2005 BMW 325I ALL 2.5 ALL ALL From 10/2005 Production Date  ABA-VS25 Chassis  Stock Plug/Heat Range: LONGLEACH:6
2005 - 2005 BMW 325I ALL 2.5 ALL ALL From 4/2005 Production Date  ABA-VB25 Chassis  Stock Plug/Heat Range: LONGLEACH:6
2006 - 2006 BMW 330I ALL 3.0 ALL ALL From 4/2005 Production Date  ABA-VB30 Chassis  Stock Plug/Heat Range: LONGLEACH:6
2006 - 2006 BMW 330XI ALL 3.0 ALL ALL From 10/2005 Production Date  ABA-VD30 Chassis  Stock Plug/Heat Range: LONGLEACH:6
2010 - 2010 BMW 528I ALL 3.0 ALL ALL From 3/2010 Production Date  DBA-FR30 Chassis  Stock Plug/Heat Range: LONGLEACH:6
2006 - 2007 BMW 530I ALL 3.0 ALL ALL From 6/2005 Thru 6/2007 Production Date  ABA-NE30 Chassis  Stock Plug/Heat Range: LONGLEACH:6
2006 - 2007 BMW 530I ALL 3.0 ALL ALL From 6/2005 Thru 6/2007 Production Date  ABA-NL30 Chassis  Stock Plug/Heat Range: LONGLEACH:6
2007 - 2007 BMW 530XI ALL 3.0 ALL ALL From 6/2007 Thru 3/2010 Production Date  ABA-PV30 Chassis  Stock Plug/Heat Range: LONGLEACH:6
2006 - 2008 BMW Z4 ALL 3.0 ALL ALL From 4/2006 Thru 5/2009 Production Date  ABA-BU30 Chassis  Stock Plug/Heat Range: LONGLEACH:6
2006 - 2008 BMW Z4 ALL 3.0 ALL ALL From 4/2006 Thru 5/2009 Production Date  ABA-DU30 Chassis  Coupe  Stock Plug/Heat Range: LONGLEACH:6
2005 - 2010 HONDA CIVIC L4 1.3 ELECTRIC/GAS LDA1 From 11/2005 Thru 12/2010 Production Date  FD3 Chassis  HYBRID  Stock Plug/Heat Range: LONGREACH:5
2009 - 2014 HONDA INSIGHT L4 1.3 ELECTRIC/GAS LDA3 From 2/2009 Thru 3/2014 Production Date  ZE2 Chassis  HYBRID  Stock Plug/Heat Range: LONGREACH:5
2003 - 2007 INFINITI G35 ALL 3.5 ALL VQ35DE From 1/2002 Thru 10/2006 Production Date  PV35 Chassis  Stock Plug/Heat Range: LONGREACH:5
2003 - 2007 INFINITI G35 ALL 3.5 ALL VQ35DE From 1/2003 Thru 10/2006 Production Date  CPV35 Chassis  Coupe  Stock Plug/Heat Range: LONGREACH:5
2015 - 2016 LEXUS NX200T L4 2.0 ALL 8AR-FTS From 7/2014 Production Date  AGZ10.15 Chassis  Stock Plug/Heat Range: LONGREACH:6
2007 - 2008 LEXUS RX350 ALL 3.5 ALL 2GRFE From 3/2005 Thru 11/2008 Production Date  GSU31W/GSU35W Chassis  Stock Plug/Heat Range: LONGREACH:6
2009 - 2015 LEXUS RX350 ALL 3.5 ALL 2GRFE From 1/2009 Production Date  GGL10W Chassis  Stock Plug/Heat Range: LONGREACH:6
2003 - 2005 MERCEDES-BENZ C230 ALL 1.8 ALL ALL From 6/2004 Thru 8/2005 Production Date  GH/DBA-203040 Chassis  Stock Plug/Heat Range: LONGLEACH:6
2003 - 2005 MERCEDES-BENZ C230 ALL 1.8 ALL ALL From 6/2004 Thru 8/2005 Production Date  GH/DBA-203040 Chassis  Wagon  Stock Plug/Heat Range: LONGLEACH:6
2006 - 2006 MITSUBISHI LANCER ALL 2.0 ALL 4G63 From 8/2006 Thru 9/2007 Production Date  CT9A Chassis  DOHC MIVEC  Stock Plug/Heat Range: LONGREACH:7
2006 - 2006 MITSUBISHI LANCER ALL 2.0 ALL 4G63 From 3/2005 Thru 7/2006 Production Date  CT9A Chassis  DOHC MIVEC  Stock Plug/Heat Range: LONGREACH:7
2003 - 2006 NISSAN 350Z ALL 3.5 ALL VQ35DE From 1/2002 Thru 12/2006 Production Date  Z33 Chassis  Stock Plug/Heat Range: LONGREACH:5
2003 - 2006 NISSAN 350Z ALL 3.5 ALL VQ35DE From 10/2003 Thru 12/2006 Production Date  HZ33 Chassis  Roadster  Stock Plug/Heat Range: LONGREACH:5
2003 - 2007 NISSAN MURANO ALL 3.5 ALL VQ35DE From 9/2004 Thru 8/2008 Production Date  PZ50/PNZ50 Chassis  Stock Plug/Heat Range: LONGREACH:5
2009 - 2014 SUBARU IMPREZA ALL 2.5 ALL EJ257 From 2/2009 Thru 7/2014 Production Date  GRF Chassis  Wagon  Stock Plug/Heat Range: LONGREACH:6
2010 - 2014 SUBARU IMPREZA H4 2.5 ALL EJ257 From 7/2010 Thru 7/2014 Production Date  GVF Chassis  Sedan  Stock Plug/Heat Range: LONGREACH:6
2003 - 2009 SUBARU LEGACY H6 3.0 ALL EZ30D From 9/2003 Thru 5/2009 Production Date  BLE Chassis  AVCS DOHC  Stock Plug/Heat Range: LONGREACH:6
2009 - 2014 SUBARU LEGACY H4 2.5 ALL EJ255 From 5/2009 Thru 6/2014 Production Date  BM9 Chassis  Stock Plug/Heat Range: LONGREACH:6
2003 - 2009 SUBARU OUTBACK H6 3.0 ALL EZ30D From 10/2003 Thru 5/2009 Production Date  BPE Chassis  AVCS DOHC  Stock Plug/Heat Range: LONGREACH:6
2008 - 2009 SUBARU OUTBACK H4 2.5 ALL EJ255 From 5/2008 Thru 4/2009 Production Date  BPH Chassis  Stock Plug/Heat Range: LONGREACH:6
2009 - 2014 SUBARU OUTBACK H6 3.6 ALL EZ36D From 5/2009 Thru 9/2014 Production Date  BRF Chassis  Stock Plug/Heat Range: LONGREACH:6
2005 - 2009 TOYOTA 4RUNNER ALL 4.0 ALL 1GRFE From 8/2005 Thru 7/2009 Production Date  GRN215W Chassis  Stock Plug/Heat Range: LONGREACH:6
2006 - 2012 TOYOTA RAV4 ALL 3.5 ALL 2GRFE From 8/2007 Production Date  GSA33W Chassis  Stock Plug/Heat Range: LONGREACH:6
Shipping Notes
  • Free Standard Shipping on $100+ Orders to the USA.
  • Except Preorder products are shipped in 48 hours.
  • Delivery to the USA:
  1. 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
SKU: 12128927476

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4.6 ★★★★★
Based on 1091 reviews
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Beach Dreamer
Charlottesville, US
★★★★★ 5
The perfect whipper for protein powders
Color: Blue
Love, love this whipper. Had to finally replace my old one that I got several years ago that was battery operated. This rechargeable replacement is incredible. Thought I would miss my old one, but no. The 3 interchangeable attachments make it my go to for a ton of things. Perfect for mixing protein powders!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on February 23, 2026
A
Verified Purchase
Akeem
Lake Worth, US
★★★★★ 5
Comfortable and stays cool
Color: White-cooling Basic, Size: Queen(Pack of 1)
Great pillow. When i opened it, i noticed a strange smell, i assumed its the smell of whatever they use to make the pillow stay cool. You have to fluff it for a good amount of time to make sure the cooling agent spreads well in the foam. Is what i assumed atleast. Its a perfect amount of softness for me. Pair it with some bamboo pillow cases and you got a good night of sleep
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 9, 2026
K
Verified Purchase
Kim Groetsch
Charlottesville, US
★★★★★ 5
BEST, MOST COMFORTABLE PILLOWS EVER!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I've used others.BEST PILLOWS EVER! Firm, cooling and supportive. LOVE THESE!
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 28, 2026
J
Verified Purchase
Juanita
Charlottesville, US
★★★★★ 4
Comfortable and Supportive, but Adjust the Filling
Color: White-cooling Basic, Size: Queen(Pack of 2), Color: White-cooling Basic, Size: Queen(Pack of 2)
I’m very happy with this pillow. The size is big and it feels soft while still providing good support, perfect for midnight scrolling on TikTok. One thing to keep in mind is that it can feel a little too tall if you use all of the filling that comes with it. The good news is that you can easily adjust the amount of filling to find the height that works best for your sleeping position. Once I customized it, it was much more comfortable. Overall, great quality, comfortable, and worth the purchase.
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Reviewed in the United States on June 3, 2026
L
Verified Purchase
Love Leigh Angel
Port Orchard, US
★★★★★ 5
BEST PILLOWS EVER!!!
Color: White-cooling Basic, Size: Queen(Pack of 2)
I am very picky with my pillows because I have a bad neck and I can never seem to find a good pillow. But I tried this pillow because it had everything I was looking for and the price was great! You get two of them and they are absolutely awesome.! normally I would need to lay on two pillows to try and get comfortable but with these pillows I just lay on one and I wake up with no neck pain. They really have a nice cooling effect. They actually puff up immediately after opening them. All you have to do is just shake them up and the pillow just puffs straight up.. It comes with extra cushioning if you want it to make it firmer and if you don’t want it as firm as it is, you can actually take some out. It really is such a beautiful pillow. It’s perfect in every way to me being such a picky pillow person. You just lay your head down on it and it forms around your neck and your head and when you get up, it goes right back to its normal form. It doesn’t get flat and I love it. I completely recommend this to anyone who is a person who has a hard time finding a really good pillow.
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Reviewed in the United States on April 12, 2026

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