Article no.:
7243
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NGK Iridium IX Spark Plug Box of 4 (TR5-1IX)
Unleash the full potential of your engine with the NGK Iridium IX Spark Plug Box of 4 (TR5-1IX). Specifically designed for performance enthusiasts, these spark plugs provide outstanding acceleration, high fuel efficiency, and durability.
Featuring a tapered cut ground electrode, these spark plugs offer improved starting, idling, and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum, ensuring exceptional anti-fouling and extreme ignitability.
- Outstanding acceleration and high fuel efficiency
- Durable Iridium fine wire center electrode
- Improved starting, idling, and throttle response
- Exceptional anti-fouling and extreme ignitability
This product fits more vehicles than loaded. Please select your vehicle to see all fits.
| Make | Model | Year | Type |
|---|---|---|---|
| Ford | Aerostar | 1986 | Base |
| Ford | Aerostar | 1986 | XL |
| Ford | Aerostar | 1986 | XLT |
| Ford | Aerostar | 1987 | Base |
| Ford | Aerostar | 1987 | XL |
| Ford | Aerostar | 1987 | XLT |
| Ford | Escort | 1983 | Base |
| Ford | Escort | 1983 | GLX |
| Ford | Escort | 1983 | GT |
| Ford | Escort | 1983 | LX |
| Ford | Escort | 1984 | Base |
| Ford | Escort | 1984 | GL |
| Ford | Escort | 1984 | GT |
| Ford | Escort | 1984 | LX |
| Ford | Escort | 1985 | Base |
| Ford | Escort | 1985 | GL |
| Ford | Escort | 1985 | GT |
| Ford | Escort | 1985 | L |
| Ford | Escort | 1985 | LX |
| Ford | Escort | 1986 | GL |
| Ford | Escort | 1986 | GT |
| Ford | Escort | 1986 | L |
| Ford | Escort | 1986 | LX |
| Ford | Escort | 1986 | Pony |
| Ford | Escort | 1987 | GL |
| Ford | Escort | 1987 | GT |
| Ford | Escort | 1987 | Pony |
| Ford | Escort | 1988 | GL |
| Ford | Escort | 1988 | GT |
| Ford | Escort | 1988 | LX |
| Ford | Escort | 1988 | Pony |
| Ford | Escort | 1989 | GT |
| Ford | Escort | 1989 | LX |
| Ford | Escort | 1989 | Pony |
| Ford | Escort | 1990 | Base |
| Ford | Escort | 1990 | GT |
| Ford | Escort | 1990 | LX |
| Ford | Escort | 1990 | LX Sport |
| Ford | Escort | 1990 | Pony |
| Ford | EXP | 1983 | Base |
| Ford | EXP | 1983 | GT |
| Ford | EXP | 1983 | Luxury |
| Ford | EXP | 1984 | Base |
| Ford | EXP | 1984 | Luxury |
| Ford | EXP | 1985 | Base |
| Ford | EXP | 1985 | Luxury |
| Ford | EXP | 1986 | Luxury |
| Ford | EXP | 1986 | Sport |
| Ford | EXP | 1987 | Luxury |
| Ford | EXP | 1987 | Sport |
| Ford | EXP | 1988 | Base |
| Ford | EXP | 1988 | Luxury |
| Ford | EXP | 1988 | Sport |
| Ford | Fairmont | 1983 | Futura |
| Ford | Fairmont | 1983 | S |
| Ford | LTD | 1983 | Base |
| Ford | LTD | 1983 | Brougham |
| Ford | LTD | 1984 | Base |
| Ford | LTD | 1984 | Brougham |
| Ford | LTD | 1985 | Base |
| Ford | LTD | 1985 | Brougham |
| Ford | LTD | 1986 | Base |
| Ford | LTD | 1986 | Brougham |
| Ford | Mustang | 1983 | GL |
| Ford | Mustang | 1983 | GLX |
| Ford | Mustang | 1983 | L |
| Ford | Mustang | 1984 | L |
| Ford | Mustang | 1984 | LX |
| Ford | Mustang | 1985 | LX |
| Ford | Mustang | 1986 | LX |
| Ford | Mustang | 1987 | LX |
| Ford | Mustang | 1988 | LX |
| Ford | Mustang | 1989 | LX |
| Ford | Mustang | 1990 | LX |
| Ford | Ranger | 1983 | Base |
| Ford | Ranger | 1983 | XL |
| Ford | Ranger | 1983 | XLS |
| Ford | Ranger | 1983 | XLT |
| Ford | Ranger | 1984 | S |
| Ford | Ranger | 1984 | XL |
| Ford | Ranger | 1984 | XLS |
| Ford | Ranger | 1984 | XLT |
| Ford | Ranger | 1985 | Base |
| Ford | Ranger | 1985 | XL |
| Ford | Ranger | 1985 | XLS |
| Ford | Ranger | 1985 | XLT |
| Ford | Ranger | 1986 | Base |
| Ford | Ranger | 1986 | S |
| Ford | Ranger | 1986 | STX |
| Ford | Ranger | 1986 | XL |
| Ford | Ranger | 1986 | XLT |
| Ford | Ranger | 1987 | Custom |
| Ford | Ranger | 1987 | STX |
| Ford | Ranger | 1987 | XLT |
| Ford | Ranger | 1988 | Custom |
| Ford | Ranger | 1988 | S |
| Ford | Ranger | 1988 | STX |
| Ford | Ranger | 1988 | XLT |
| Ford | Thunderbird | 1984 | Base |
| Ford | Thunderbird | 1984 | Elan |
NGK manufactures spark plugs and spark plug wires, as well as glow plugs for diesel applications. Their range of spark plugs cover everything from OEM replacement to Ultimate Performance plugs, and are available as traditional copper, platinum, or iridium tips. NGK’s reputation as an OEM supplier for many car manufacturers makes them a top choice for spark plugs. Few brands can make that claim and have the quality to back it up.
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