If your vehicle is listed on the fitment table below, the product will fit your car - we guarantee it. All you need to do is to ensure that the vehicle's Year, Make, Model, Trim, and any other notes specified inside the fitment table are respected.
Included warranty:
For warranty coverage information, please see our
Warranty Policy.
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
Characteristics include:
SOLID COPPER CORE: 98% pure copper core offers superior heat dissipation, conductivity and ultra wide heat ranges
TRIVALENT METAL PLATING: Delivers superior anti-corrosion and anti-seizing properties, ensuring ease of installation and removal
IRIDIUM ALLOY CENTER ELECTRODE: Iridium's density (6x that of platinum) and extremely high melting point is perfect for modern high efficiency engines
RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs
Watch genuine customer videos showing their upgrades and honest results of similar products
Fitment Table
This product is compatible with these vehicles:
Year
Make
Model
Notes
Position
1990
Ford
Escort
1.9L
Inline engine
4 cylinders
3.23" bore
3.46" stroke
Gap 0.044"
1990
Ford
Mustang
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1989
Ford
Escort
1.9L
Inline engine
4 cylinders
3.23" bore
3.46" stroke
Gap 0.044"
1989
Ford
Mustang
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1988
Ford
Escort
1.9L
Inline engine
4 cylinders
3.23" bore
3.46" stroke
Gap 0.044"
1988
Ford
EXP
1.9L
Inline engine
4 cylinders
3.23" bore
3.46" stroke
Gap 0.044"
1988
Ford
Mustang
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1988
Ford
Ranger
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1987
Ford
Aerostar
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1987
Ford
Escort
1.9L
Inline engine
4 cylinders
3.23" bore
3.46" stroke
Gap 0.044"
1987
Ford
EXP
1.9L
Inline engine
4 cylinders
3.23" bore
3.46" stroke
Gap 0.044"
1987
Ford
Mustang
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1987
Ford
Ranger
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
GAS
Gap 0.044"
1987
Mercury
Lynx
1.9L
Inline engine
4 cylinders
3.23" bore
3.46" stroke
Gap 0.044"
1986
Ford
Aerostar
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1986
Ford
Escort
1.9L
Inline engine
4 cylinders
3.23" bore
3.46" stroke
Gap 0.044"
1986
Ford
EXP
1.9L
Inline engine
4 cylinders
3.23" bore
3.46" stroke
Gap 0.044"
1986
Ford
LTD
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1986
Ford
Mustang
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Naturally Aspirated
Gap 0.044"
1986
Ford
Ranger
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
GAS
Gap 0.044"
1986
Mercury
Capri
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1986
Mercury
Lynx
1.9L
Inline engine
4 cylinders
3.23" bore
3.46" stroke
Gap 0.044"
1986
Mercury
Marquis
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1985
Ford
Escort
1.6L
Inline engine
4 cylinders
3.15" bore
3.13" stroke
Naturally Aspirated
Gap 0.044"
1985
Ford
Escort
1.9L
Inline engine
4 cylinders
3.23" bore
3.46" stroke
Gap 0.044"
1985
Ford
EXP
1.6L
Inline engine
4 cylinders
3.15" bore
3.13" stroke
Naturally Aspirated
Gap 0.044"
1985
Ford
LTD
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
GAS
Gap 0.044"
1985
Ford
Mustang
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Naturally Aspirated
Gap 0.044"
1985
Ford
Ranger
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
GAS
Gap 0.044"
1985
Mercury
Capri
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1985
Mercury
Lynx
1.9L
Inline engine
4 cylinders
3.23" bore
3.46" stroke
Gap 0.044"
1985
Mercury
Marquis
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
GAS
Gap 0.044"
1984
Ford
Escort
1.6L
Inline engine
4 cylinders
3.15" bore
3.13" stroke
Naturally Aspirated
Gap 0.044"
1984
Ford
EXP
1.6L
Inline engine
4 cylinders
3.15" bore
3.13" stroke
Naturally Aspirated
Gap 0.044"
1984
Ford
LTD
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
GAS
Gap 0.044"
1984
Ford
Mustang
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Naturally Aspirated
Gap 0.044"
1984
Ford
Mustang
3.8L
V engine
6 cylinders
3.81" bore
3.39" stroke
Gap 0.044"
1984
Ford
Ranger
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1984
Ford
Thunderbird
3.8L
V engine
6 cylinders
3.81" bore
3.39" stroke
Gap 0.044"
1984
Mercury
Capri
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Naturally Aspirated
Gap 0.044"
1984
Mercury
Cougar
3.8L
V engine
6 cylinders
3.81" bore
3.39" stroke
Gap 0.044"
1984
Mercury
Lynx
1.6L
Inline engine
4 cylinders
3.15" bore
3.13" stroke
Fuel delivery: FI
Gap 0.044"
1984
Mercury
Marquis
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
GAS
Gap 0.044"
1983
Ford
Escort
1.6L
Inline engine
4 cylinders
3.15" bore
3.13" stroke
Fuel delivery: FI
Gap 0.044"
1983
Ford
EXP
1.6L
Inline engine
4 cylinders
3.15" bore
3.13" stroke
Fuel delivery: FI
Gap 0.044"
1983
Ford
Fairmont
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1983
Ford
LTD
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
GAS
Gap 0.044"
1983
Ford
Mustang
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Naturally Aspirated
Gap 0.044"
1983
Ford
Ranger
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1983
Mercury
Capri
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Naturally Aspirated
Gap 0.044"
1983
Mercury
Cougar
3.8L
V engine
6 cylinders
3.81" bore
3.39" stroke
Gap 0.044"
1983
Mercury
LN7
1.6L
Inline engine
4 cylinders
3.15" bore
3.13" stroke
Fuel delivery: FI
Gap 0.044"
1983
Mercury
Lynx
1.6L
Inline engine
4 cylinders
3.15" bore
3.13" stroke
Fuel delivery: FI
Gap 0.044"
1983
Mercury
Marquis
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
GAS
Gap 0.044"
1983
Mercury
Zephyr
2.3L
Inline engine
4 cylinders
3.78" bore
3.13" stroke
Gap 0.044"
1982
Mercury
Lynx
1.6L
Inline engine
4 cylinders
3.15" bore
3.13" stroke
Gap 0.044"
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Customer Reviews
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