ALL MOTORSPORT PARTS / TRACK USE ONLY
HKS Super Fire Racing Spark Plug 50003-M40I
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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 × 19mm
Wrench Size: 16mm
Fits:
| ACURA | INTEGRA | 1.8 | L4 | B18B1 | 1993 - 1995 | From 7/1993 Thru 9/1995 Production Date | DB7 Chassis | DOHC | Stock Plug/Heat Range: ISO:5 |
| ACURA | INTEGRA | 1.8 | L4 | B18C5 | 1997 - 2001 | From 10/1995 Thru 7/2001 Production Date | DC2/DB8 Chassis | DOHC VTEC | Stock Plug/Heat Range: ISO:7 |
| ACURA | LEGEND | 3.2 | V6 | C32A1 | 1990 - 1998 | From 10/1990 Thru 3/1998 Production Date | KA7/KA8 Chassis | Stock Plug/Heat Range: ISO:6 | |
| ACURA | MDX | 3.5 | V6 | J35A5 | 2003 - 2006 | From 2/2003 Thru 7/2006 Production Date | YD1 Chassis | VTEC | Stock Plug/Heat Range: ISO:5 |
| ACURA | NSX | 3.0 | V6 | C30A1 | 1990 - 2005 | From 9/1990 Thru 12/2005 Production Date | NA1 Chassis | Stock Plug/Heat Range: ISO:6 | |
| ACURA | NSX | 3.2 | V6 | C32B1 | 1997 - 2005 | From 2/1997 Thru 12/2005 Production Date | NA2 Chassis | Stock Plug/Heat Range: ISO:6 | |
| ACURA | RL | 3.5 | V6 | C35A1 | 1996 - 2004 | From 2/1996 Thru 9/2004 Production Date | KA9 Chassis | Stock Plug/Heat Range: ISO:5 | |
| ACURA | RL | 3.5 | V6 | J35A8 | 2004 - 2014 | From 10/2004 Thru 11/2014 Production Date | KB1 Chassis | VTEC | Stock Plug/Heat Range: ISO:6 |
| ACURA | RSX | 2.0 | L4 | K20A2 | 2002 - 2006 | From 7/2001 Thru 2/2007 Production Date | DC5 Chassis | i-VTEC | Stock Plug/Heat Range: ISO:7 |
| ACURA | VIGOR | 2.5 | L5 | G25A1 | 1992 - 1995 | From 1/1992 Thru 2/1995 Production Date | CC2 Chassis | PGM-FI | Stock Plug/Heat Range: ISO:6 |
| AUDI | A3 | 2.0 | ALL | ALL | 2006 - 2007 | From 7/2006 Thru 1/2007 Production Date | GH-8PBWA Chassis | Sportback TFSI | Stock Plug/Heat Range: ISO:6 |
| AUDI | A3 | 2.0 | ALL | ALL | 2007 - 2008 | From 1/2007 Thru 9/2008 Production Date | ABA-8PBWA Chassis | Sportback TFSI | Stock Plug/Heat Range: ISO:6 |
| AUDI | A4 | 1.8 | ALL | ALL | 1997 - 1999 | From 10/1995 Thru 6/1999 Production Date | E-8DADR Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A4 | 1.8 | ALL | ALL | 1999 - 1999 | From 6/1999 Thru 9/1999 Production Date | GF-8DADR Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A4 | 1.8 | ALL | ALL | 1999 - 2001 | From 10/1999 Thru 5/2001 Production Date | GF-8DAPT Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A4 | 1.8 | ALL | ALL | 2001 - 2006 | From 5/2001 Thru 7/2006 Production Date | GH-8EBFB Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A4 | 2.0 | ALL | ALL | 2005 - 2007 | From 8/2002 Thru 10/2007 Production Date | GH-8EALT Chassis | Stock Plug/Heat Range: ISO:5 | |
| AUDI | A4 | 2.0 | ALL | ALL | 2007 - 2008 | From 10/2007 Thru 3/2008 Production Date | ABA-8EALT Chassis | Stock Plug/Heat Range: ISO:5 | |
| AUDI | A4 QUATTRO | 2.8 | V6 | ALL | 1996 - 1999 | From 10/1996 Thru 5/1999 Production Date | E-8DACKF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A4 QUATTRO | 2.8 | V6 | ALL | 1996 - 1999 | From 2/1996 Thru 5/1999 Production Date | E-8DAAHF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A4 QUATTRO | 1.8 | ALL | ALL | 1997 - 1999 | From 2/1996 Thru 5/1999 Production Date | E-8DAEBF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A4 QUATTRO | 1.8 | ALL | ALL | 1999 - 2001 | From 6/1999 Thru 10/2001 Production Date | GF-8DAPUF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A4 QUATTRO | 1.8 | ALL | ALL | 2001 - 2002 | From 11/2001 Thru 8/2002 Production Date | GF-8EAMBF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A4 QUATTRO | 1.8 | ALL | ALL | 2002 - 2005 | From 2/2002 Thru 1/2005 Production Date | GF/GH-8EAMBF Chassis | Wagon | Stock Plug/Heat Range: ISO:6 |
| AUDI | A4 QUATTRO | 1.8 | ALL | ALL | 2002 - 2005 | From 8/2002 Thru 1/2005 Production Date | GH-8EAMBF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A4 QUATTRO | 3.0 | ALL | ALL | 2002 - 2005 | From 2/2002 Thru 1/2005 Production Date | GF/GH-8EASNF Chassis | Wagon | Stock Plug/Heat Range: ISO:6 |
| AUDI | A4 QUATTRO | 3.0 | ALL | ALL | 2002 - 2005 | From 6/2001 Thru 1/2005 Production Date | GF/GH-8EASNF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A4 QUATTRO | 2.0 | ALL | ALL | 2005 - 2006 | From 2/2005 Thru 2/2006 Production Date | GH-8EBGBF Chassis | TFSI | Stock Plug/Heat Range: ISO:6 |
| AUDI | A4 QUATTRO | 2.0 | ALL | ALL | 2005 - 2006 | From 2/2005 Thru 2/2006 Production Date | GH-8EBGBF Chassis | Wagon TFSI | Stock Plug/Heat Range: ISO:6 |
| AUDI | A4 QUATTRO | 3.2 | ALL | ALL | 2005 - 2007 | From 2/2005 Production Date | GH-8EAUKF Chassis | FSI | Stock Plug/Heat Range: ISO:7 |
| AUDI | A4 QUATTRO | 3.2 | ALL | ALL | 2005 - 2007 | From 2/2005 Thru 10/2007 Production Date | GH-8EAUKF Chassis | Wagon | Stock Plug/Heat Range: ISO:7 |
| AUDI | A4 QUATTRO | 2.0 | ALL | ALL | 2006 - 2007 | From 3/2006 Thru 10/2007 Production Date | GH-8EBWEF Chassis | TFSI | Stock Plug/Heat Range: ISO:6 |
| AUDI | A4 QUATTRO | 2.0 | ALL | ALL | 2006 - 2007 | From 3/2006 Thru 10/2007 Production Date | GH-8EBWEF Chassis | Wagon TFSI | Stock Plug/Heat Range: ISO:6 |
| AUDI | A4 QUATTRO | 2.0 | ALL | ALL | 2007 - 2008 | From 10/2007 Thru 3/2008 Production Date | ABA-8EBWEF Chassis | TFSI | Stock Plug/Heat Range: ISO:6 |
| AUDI | A4 QUATTRO | 2.0 | ALL | ALL | 2007 - 2008 | From 10/2007 Thru 8/2008 Production Date | ABA-8EBWEF Chassis | Wagon TFSI | Stock Plug/Heat Range: ISO:6 |
| AUDI | A4 QUATTRO | 3.2 | ALL | ALL | 2008 - 2008 | From 8/2008 Production Date | ABA-8KCALF Chassis | Wagon | Stock Plug/Heat Range: ISO:7 |
| AUDI | A6 QUATTRO | 2.8 | V6 | ALL | 1995 - 1996 | From 10/1994 Thru 9/1996 Production Date | E-4AAAH/4AAAHF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A6 QUATTRO | 2.8 | V6 | ALL | 1995 - 1996 | From 11/1994 Thru 9/1996 Production Date | E-4AAAHF Chassis | Wagon | Stock Plug/Heat Range: ISO:6 |
| AUDI | A6 QUATTRO | 2.8 | V6 | ALL | 1996 - 1999 | From 10/1996 Thru 8/1999 Production Date | E-4AACKF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A6 QUATTRO | 2.8 | V6 | ALL | 1996 - 1999 | From 10/1996 Thru 8/1999 Production Date | E-4AACKF Chassis | Wagon | Stock Plug/Heat Range: ISO:6 |
| AUDI | A6 QUATTRO | 2.8 | V6 | ALL | 1999 - 2001 | From 9/1999 Thru 10/2001 Production Date | GF-4BAPRF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A6 QUATTRO | 2.8 | V6 | ALL | 1999 - 2001 | From 9/1999 Thru 10/2001 Production Date | GF-4BAPRF Chassis | Wagon | Stock Plug/Heat Range: ISO:6 |
| AUDI | A6 QUATTRO | 2.7 | ALL | ALL | 2001 - 2002 | From 10/2001 Thru 8/2002 Production Date | GF-4BARES Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A6 QUATTRO | 2.7 | ALL | ALL | 2002 - 2004 | From 9/2002 Thru 6/2004 Production Date | GF-4BBESS Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A6 QUATTRO | 3.0 | ALL | ALL | 2002 - 2004 | From 10/2001 Thru 6/2004 Production Date | GF-4BASNF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A6 QUATTRO | 3.0 | ALL | ALL | 2002 - 2005 | From 10/2001 Thru 5/2005 Production Date | GF-4BASNF Chassis | Wagon | Stock Plug/Heat Range: ISO:6 |
| AUDI | A6 QUATTRO | 4.2 | ALL | ALL | 2004 - 2004 | From 7/2004 Production Date | GH-4FBATS Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A6 QUATTRO | 3.2 | ALL | ALL | 2005 - 2006 | From 7/2004 Thru 8/2006 Production Date | GH-4FAUKS Chassis | FSI | Stock Plug/Heat Range: ISO:7 |
| AUDI | A6 QUATTRO | 3.2 | ALL | ALL | 2005 - 2008 | From 6/2005 Production Date | GH-4FAUKS Chassis | Wagon | Stock Plug/Heat Range: ISO:7 |
| AUDI | A6 QUATTRO | 4.2 | ALL | ALL | 2005 - 2011 | From 6/2005 Production Date | GH-4FBATS Chassis | Wagon | Stock Plug/Heat Range: ISO:6 |
| AUDI | A6 QUATTRO | 3.2 | ALL | ALL | 2006 - 2008 | From 8/2006 Thru 1/2009 Production Date | ABA-4FAUKS Chassis | FSI | Stock Plug/Heat Range: ISO:7 |
| AUDI | A8 QUATTRO | 4.2 | ALL | ALL | 1999 - 1999 | From 8/1999 Production Date | GF-4DAQF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A8 QUATTRO | 4.2 | ALL | ALL | 2000 - 2003 | From 9/2000 Production Date | GF-4DAUW Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A8 QUATTRO | 4.2 | ALL | ALL | 2003 - 2006 | From 10/2003 Thru 7/2006 Production Date | GH-4EBFMF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A8 QUATTRO | 4.2 | ALL | ALL | 2004 - 2006 | From 9/2004 Thru 7/2006 Production Date | GH-4EBFML Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A8 QUATTRO | 6.0 | ALL | ALL | 2005 - 2009 | From 3/2005 Production Date | GH-4EBHTF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | A8 QUATTRO | 6.0 | ALL | ALL | 2005 - 2009 | From 3/2005 Production Date | GH-4EBHTIN Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | ALLROAD QUATTRO | 2.7 | ALL | ALL | 2001 - 2002 | From 2/2001 Thru 8/2002 Production Date | GF-4BAREF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | ALLROAD QUATTRO | 2.7 | ALL | ALL | 2002 - 2004 | From 9/2002 Thru 8/2004 Production Date | GH-4BBESF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | ALLROAD QUATTRO | 4.2 | ALL | ALL | 2004 - 2005 | From 10/2003 Thru 8/2004 Production Date | GH-4BBASF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | RS6 | 4.2 | ALL | ALL | 2003 - 2003 | From 2/2003 Thru 7/2004 Production Date | GH-4BBCYF Chassis | Stock Plug/Heat Range: ISO:7 | |
| AUDI | S4 | 2.7 | ALL | ALL | 2000 - 2002 | From 6/1999 Thru 8/2003 Production Date | GF-8DAGBF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | S6 | 2.2 | L5 | ALL | 1995 - 1995 | From 11/1994 Thru 7/2000 Production Date | E-4AAAN Chassis | Stock Plug/Heat Range: ISO:7 | |
| AUDI | S6 | 4.2 | ALL | ALL | 2002 - 2003 | From 11/2001 Production Date | GF/GH-4BANKF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | S6 | 4.2 | ALL | ALL | 2002 - 2003 | From 8/2000 Thru 10/2001 Production Date | GF-4BAQJF Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | S8 | 4.2 | ALL | ALL | 2001 - 2003 | From 1/2001 Production Date | GF-4DAYS Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | TT | 1.8 | ALL | ALL | 2001 - 2005 | From 9/2001 Thru 10/2005 Production Date | GF/GH-8NAUQ Chassis | Roadster | Stock Plug/Heat Range: ISO:6 |
| AUDI | TT | 1.8 | ALL | ALL | 2001 - 2005 | From 1/2001 Thru 10/2005 Production Date | GF/GH-8NAUQ Chassis | Coupe | Stock Plug/Heat Range: ISO:6 |
| AUDI | TT | 1.8 | ALL | ALL | 2005 - 2006 | From 11/2005 Thru 6/2006 Production Date | GH-8NBVR Chassis | Roadster | Stock Plug/Heat Range: ISO:6 |
| AUDI | TT | 1.8 | ALL | ALL | 2005 - 2006 | From 11/2005 Thru 6/2006 Production Date | GH-8NBVR Chassis | Coupe | Stock Plug/Heat Range: ISO:6 |
| AUDI | TT | 1.8 | ALL | ALL | 2005 - 2006 | From 6/2005 Production Date | QUATTRO SPORTS Chassis | Stock Plug/Heat Range: ISO:6 | |
| AUDI | TT QUATTRO | 1.8 | ALL | ALL | 2000 - 2000 | From 10/1999 Thru 12/2000 Production Date | GF-8NAPXF Chassis | Coupe | Stock Plug/Heat Range: ISO:6 |
| AUDI | TT QUATTRO | 1.8 | ALL | ALL | 2000 - 2000 | From 5/2000 Thru 12/2000 Production Date | GF-8NAPXF Chassis | Roadster | Stock Plug/Heat Range: ISO:6 |
| AUDI | TT QUATTRO | 1.8 | ALL | ALL | 2001 - 2003 | From 1/2001 Thru 8/2003 Production Date | GF/GH-8NBAMF Chassis | Coupe | Stock Plug/Heat Range: ISO:6 |
| AUDI | TT QUATTRO | 1.8 | ALL | ALL | 2001 - 2003 | From 1/2001 Thru 8/2003 Production Date | GF/GH-8NBAMF Chassis | Roadster | Stock Plug/Heat Range: ISO:6 |
| BMW | 318I | 1.8 | ALL | ALL | 1991 - 1995 | From 7/1991 Thru 6/1998 Production Date | E-CA18 Chassis | Stock Plug/Heat Range: ISO:6 | |
| BMW | 318I | 1.9 | L4 | ALL | 1996 - 1998 | From 7/1998 Thru 10/2001 Production Date | GF/GH-AL19 Chassis | Touring | Stock Plug/Heat Range: ISO:6 |
| BMW | 318IS | 1.8 | ALL | ALL | 1993 - 1995 | From 5/1993 Thru 7/1996 Production Date | E-BE18 Chassis | Stock Plug/Heat Range: ISO:6 | |
| BMW | 318IS | 1.9 | L4 | ALL | 1996 - 1997 | From 4/1996 Thru 12/1999 Production Date | E-BE19 Chassis | Stock Plug/Heat Range: ISO:6 | |
| BMW | 318TI | 1.8 | ALL | ALL | 1995 - 1995 | From 2/1995 Thru 7/1996 Production Date | E-CG18 Chassis | Stock Plug/Heat Range: ISO:6 | |
| BMW | 318TI | 1.9 | L4 | ALL | 1996 - 1999 | From 81/1996 Thru 10/2001 Production Date | E-CG19 Chassis | Stock Plug/Heat Range: ISO:6 | |
| BMW | 323I | 2.5 | ALL | ALL | 1998 - 1998 | From 9/1998 Production Date | GF-AM25 Chassis | Stock Plug/Heat Range: ISO:6 | |
| BMW | 325I | 2.5 | ALL | ALL | 1991 - 1991 | From 5/1991 Production Date | E-CB25 Chassis | Stock Plug/Heat Range: ISO:6 | |
| BMW | 325I | 2.5 | ALL | ALL | 1993 - 1993 | From 10/1993 Production Date | E-BJ25 Chassis | Stock Plug/Heat Range: ISO:6 | |
| BMW | 325I | 2.5 | ALL | ALL | 2001 - 2005 | From 11/2000 Thru 3/2005 Production Date | GH-AV25 Chassis | Touring | Stock Plug/Heat Range: ISO:6 |
| BMW | 328CI | 2.8 | L6 | ALL | 2000 - 2000 | From 6/1999 Production Date | GF-AM28 Chassis | Stock Plug/Heat Range: ISO:6 | |
| BMW | 328I | 2.8 | L6 | ALL | 1996 - 1998 | From 8/1995 Thru 6/1998 Production Date | E-BK28 Chassis | Cabriolet | Stock Plug/Heat Range: ISO:6 |
| BMW | 328I | 2.8 | L6 | ALL | 1996 - 1998 | From 8/1995 Thru 6/1998 Production Date | E-CD28 Chassis | Coupe | Stock Plug/Heat Range: ISO:6 |
| BMW | 328I | 2.8 | L6 | ALL | 1998 - 1998 | From 7/1998 Production Date | GF-AM28 Chassis | Stock Plug/Heat Range: ISO:6 | |
| BMW | 328I | 2.8 | L6 | ALL | 2000 - 2000 | From 1/2000 Production Date |
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HKS Super Fire Racing Spark Plug 50003-M40I
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