Set of 4 - Iridium IX Performance Spark Plug (7397) by NGK. Designed for performance enthusiasts who want extreme ignitability, improved throttle response and superior anti-fouling, these spark plugs are a great option for modified engines and appropriate replacement for OE spark plugs, where recommended. With a 0.6 mm laser welded iridium tip and taper cut ground electrode, these plugs provide more area for flame expansion for quicker starts, improved performance, and better efficiency.
* Please review the pictures listed to ensure this is the part you need *
* Any fitment data given in this listing is a guideline ONLY, please verify that this part is an exact fit for your specific vehicle and options *
Thread Size: 0.551"
Thread Reach: 0.708"
Ground Electrode Quantity: 1
Gap: 0.040"
Spark Plug Seat Style: Tapered
Heat Range: 5
Longevity: 40-50k Miles
Shape: Taper Cut
Thread Diameter: 14 mm
Overall Height: ISO
Resistance: 5 kOhm
Insulator Height: 53 mm
Center Electrode Core Material: Copper Core
Ground Configuration: Standard
Ground Electrode Core Material: Nickel Core
Ground Electrode Tip Design: Taper Cut
Insulator Type: Projected
Nominal Gap: 0.040"
Designed for outstanding acceleration, high fuel efficiency, and durability
Ensure a consistently stable spark
Extremely high melting point, perfect for todayÕs high-tech, high-performance engines
Extremely resistant to heat, corrosion and electrical wear
Match OE fit and quality
0.6 mm laser welded iridium tip
Tapered ground electrode
Manufactured using triple-gasket sealing process to prevent leakage through the shell
Alumina silicate insulator for strength and optimal heat transfer
Cold-rolled threads for easier removal and installation
Corrugated ribs eliminate misfire causing ÒflashoverÓ
Trivalent metal plating
Last 40 to 50 thousand miles
Aston Martin
DB7 2004
Audi
Quattro 1990-1991
Buick
Allure 2008-2009
Century 1986-1988
Electra 1986-1987
Lacrosse 2008-2009
Le Sabre 1986-1988
Rainier 2004-2007
Regal 1985
Riviera 1986-1987
Skylark 1986-1988
Somerset 1986-1987
Cadillac
CTS 2004-2007
Escalade 1999-2000, 2002-2014
SRX 2004-2006
STS 2005-2006
XLR 2004-2006
Chevy
Avalanche 2002-2013
CK Pickup 1998-2000
Camaro 1998-2002, 2010-2015
Caprice 2011-2015
Cavalier 1999-2002
Colorado 2009-2012
Corvette 1993-2013
Express 1998-2015
Impala 2006-2009
Lumina 1991-1995
Monte Carlo 1995, 2006-2007
P-Series 1998-1999
S-10 Pickup 1999-2001, 2003
SS 2014-2015
SSR 2003-2006
Silverado 1500 1999-2013
Silverado 2500 1999-2015
Silverado 3500 2001-2015
Suburban 1998-2014
Tahoe 1998-2014
Trailblazer 2003-2009
Vega 1975-1976
DeLorean
DMC 12 1981-1983
Dodge
Monaco 1990-1992
Eagle
Medallion 1988-1989
Premier 1988-1992
Ford
Aerostar 1986-1997
Bronco 1984-1990
Courier 1977-1982
E-series 1997-2005
EXP 1982-1985
Escape 2009-2012
Escort 1982-1985
F-100 1983
F-150 1993-1995, 1998, 2000-2004, 2010
F-250 1997-1999
Fairmont 1978-1982
Fiesta 1980
Fusion 2010-2012
Granada 1981-1982
LTD 1983-1985
Mustang 1975-1986, 1991-1993, 2000
Pinto 1975-1980
Probe 1990-1992
Ranger 1983-2007
Taurus 1986-2007
Tempo 1984-1989, 1992-1994
Thunderbird 1983-1988
Windstar 1995-2000
GMC
CK Pickup 1998-2000
Canyon 2009-2012
Envoy 2003-2009
P-Series 1998-1999
Savana 1998-2015
Sierra 1500 1999-2013
Sierra 2500 1999-2015
Sierra 3500 2001-2015
Sonoma 1998-2003
Suburban 1998-1999
Yukon 1998-2014
Yukon Denali 2000-2014
Hummer
H2 2003-2009
H3 2008-2010
H3T 2009-2010
Isuzu
Ascender 2003-2006
Hombre 1998-2000
Jaguar
XJ-Type 1977, 1979-1988
Lincoln
Town Car 2006-2010
Mazda
B-Series 1994-2003
MPV 2000-2001
Tribute 2009-2011
6 2003-2008
Mercedes
C Class 1984-1993
E Class 1986-1993
S Class 1988-1991
Mercury
Bobcat 1975-1980
Capri 1976-1977, 1979-1984
Cougar 1981-1982, 1984-1986
LN7 1982-1983
Lynx 1982, 1984-1985
Mariner 2009-2011
Marquis 1983-1984
Milan 2010-2011
Sable 1986-2005
Topaz 1984-1988, 1992-1994
Zephyr 1978-1982
Merkur
Scorpio 1988-1989
XR4Ti 1985-1989
Oldsmobile
Calais 1985-1988
Ciera 1986-1988
Cutlass 1987-1988, 1991-1995
Eighty-Eight 1986-1988
Ninety-Eight 1986-1987
Toronado 1986-1987
Panoz
AIV Roadster 1999-2000
Esperante 2001-2005
Peugeot
505 1987-1991
604 1977-1981
Pontiac
Bonneville 1987-1988
Firebird 1998-2002
G8 2008-2009
GTO 2004-2006
Grand Am 1985-1987
Grand Prix 1991-1995, 2005-2008
Sunfire 1999-2002
Renault
Fuego 1984-1985
R-Series 1984-1986
Saab
9-7X 2005-2009
Volvo
260 Series 1976-1982
760 1983-1990
780 1987-1990
| MPN | 7397-4K |
| OEM # | 7397-4K |
| Other # | 7397-4K 7397 |
| Details | Please review the pictures listed to ensure this is the exact part you need. |
| We recommend you check with your dealer for exact fitment for your specific vehicle. | |
| Notes |
We are committed to 100% customer satisfaction. If you are unsatisfied with your purchase please do not hesitate to contact us, we will work to resolve any problem.
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If you make an error and buy the wrong item or change your mind, you are responsible for paying for the return shipping costs and may be charged a restock fee that is equivalent to the original shipping cost. Please contact us prior to making a return and we can let you know what the restock fee will be and if it will be charged.
Most items can be returned within 30 days of receipt of shipment in most cases.
- We cannot accept items that have been installed, used or tried. Returned items must be re-sellable.
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- Electrical parts are not returnable.
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