Article no.:
7588
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NGK Iridium IX Spark Plug Box of 4 (YR55IX)
Unlock the full potential of your vehicle with the NGK Iridium IX Spark Plug. Designed for performance enthusiasts, this spark plug provides outstanding acceleration, high fuel efficiency, and durability.
Featuring a tapered cut ground electrode, the NGK Iridium IX Spark Plug offers improved starting, idling, and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum, making it perfect for today's engines.
- Extreme ignitability and exceptional anti-fouling
- Improved starting, idling, and throttle response
- Six times harder than platinum for increased durability
This product fits more vehicles than loaded. Please select your vehicle to see all fits.
| Make | Model | Year | Type |
|---|---|---|---|
| Buick | Apollo | 1975 | Base |
| Buick | Apollo | 1975 | SR |
| Chevrolet | Bel Air | 1975 | Base |
| Chevrolet | C10 | 1975 | Cheyenne |
| Chevrolet | C10 | 1975 | Custom Deluxe |
| Chevrolet | C10 | 1975 | Scottsdale |
| Chevrolet | C10 | 1975 | Silverado |
| Chevrolet | C10 | 1977 | Cheyenne |
| Chevrolet | C10 | 1977 | Custom Deluxe |
| Chevrolet | C10 | 1977 | Scottsdale |
| Chevrolet | C10 | 1977 | Silverado |
| Chevrolet | C10 | 1978 | Big Ten |
| Chevrolet | C10 | 1978 | Cheyenne |
| Chevrolet | C10 | 1978 | Custom Deluxe |
| Chevrolet | C10 | 1978 | Scottsdale |
| Chevrolet | C10 | 1978 | Silverado |
| Chevrolet | C10 Suburban | 1975 | Custom Deluxe |
| Chevrolet | C10 Suburban | 1975 | Scottsdale |
| Chevrolet | C10 Suburban | 1975 | Silverado |
| Chevrolet | C10 Suburban | 1977 | Custom Deluxe |
| Chevrolet | C10 Suburban | 1977 | Scottsdale |
| Chevrolet | C10 Suburban | 1977 | Silverado |
| Chevrolet | C10 Suburban | 1978 | Custom Deluxe |
| Chevrolet | C10 Suburban | 1978 | Scottsdale |
| Chevrolet | C10 Suburban | 1978 | Silverado |
| Chevrolet | C20 | 1975 | Cheyenne |
| Chevrolet | C20 | 1975 | Custom Deluxe |
| Chevrolet | C20 | 1975 | Scottsdale |
| Chevrolet | C20 | 1975 | Silverado |
| Chevrolet | C20 | 1977 | Cheyenne |
| Chevrolet | C20 | 1977 | Custom Deluxe |
| Chevrolet | C20 | 1977 | Scottsdale |
| Chevrolet | C20 | 1977 | Silverado |
| Chevrolet | C20 | 1978 | Cheyenne |
| Chevrolet | C20 | 1978 | Custom Deluxe |
| Chevrolet | C20 | 1978 | Scottsdale |
| Chevrolet | C20 | 1978 | Silverado |
| Chevrolet | C20 Suburban | 1975 | Custom Deluxe |
| Chevrolet | C20 Suburban | 1975 | Scottsdale |
| Chevrolet | C20 Suburban | 1975 | Silverado |
| Chevrolet | C20 Suburban | 1977 | Custom Deluxe |
| Chevrolet | C20 Suburban | 1977 | Scottsdale |
| Chevrolet | C20 Suburban | 1977 | Silverado |
| Chevrolet | C20 Suburban | 1978 | Custom Deluxe |
| Chevrolet | C20 Suburban | 1978 | Scottsdale |
| Chevrolet | C30 | 1975 | Cheyenne |
| Chevrolet | C30 | 1975 | Custom Deluxe |
| Chevrolet | C30 | 1975 | Scottsdale |
| Chevrolet | C30 | 1975 | Silverado |
| Chevrolet | C30 | 1977 | Cheyenne |
| Chevrolet | C30 | 1977 | Custom Deluxe |
| Chevrolet | C30 | 1977 | Scottsdale |
| Chevrolet | C30 | 1977 | Silverado |
| Chevrolet | C30 | 1978 | Cheyenne |
| Chevrolet | C30 | 1978 | Custom Deluxe |
| Chevrolet | C30 | 1978 | Scottsdale |
| Chevrolet | C30 | 1978 | Silverado |
| Chevrolet | Camaro | 1975 | Base |
| Chevrolet | Camaro | 1975 | LT |
| Chevrolet | Camaro | 1975 | RS |
| Chevrolet | Caprice | 1975 | Classic |
| Chevrolet | Caprice | 1975 | Classic Sport |
| Chevrolet | Caprice | 1975 | Estate Wagon |
| Chevrolet | Corvette | 1975 | Stingray |
| Chevrolet | El Camino | 1975 | Base |
| Chevrolet | El Camino | 1975 | Classic |
| Chevrolet | El Camino | 1975 | SS |
| Chevrolet | El Camino | 1978 | Base |
| Chevrolet | El Camino | 1978 | Conquista |
| Chevrolet | El Camino | 1978 | SS |
| Chevrolet | G10 | 1975 | Beauville |
| Chevrolet | G10 | 1975 | Chevy Van |
| Chevrolet | G10 | 1975 | Sportvan |
| Chevrolet | G10 | 1976 | Beauville |
| Chevrolet | G10 | 1976 | Chevy Van |
| Chevrolet | G10 | 1976 | Sportvan |
| Chevrolet | G10 | 1977 | Beauville |
| Chevrolet | G10 | 1977 | Chevy Van |
| Chevrolet | G10 | 1977 | Sportvan |
| Chevrolet | G10 | 1978 | Beauville |
| Chevrolet | G10 | 1978 | Chevy Van |
| Chevrolet | G10 | 1978 | Sportvan |
| Chevrolet | G10 Van | 1974 | Base |
| Chevrolet | G10 Van | 1974 | Sportvan |
| Chevrolet | G20 | 1975 | Beauville |
| Chevrolet | G20 | 1975 | Chevy Van |
| Chevrolet | G20 | 1975 | Sportvan |
| Chevrolet | G20 | 1976 | Beauville |
| Chevrolet | G20 | 1976 | Chevy Van |
| Chevrolet | G20 | 1976 | Sportvan |
| Chevrolet | G20 | 1977 | Beauville |
| Chevrolet | G20 | 1977 | Chevy Van |
| Chevrolet | G20 | 1977 | Sportvan |
| Chevrolet | G20 | 1978 | Beauville |
| Chevrolet | G20 | 1978 | Chevy Van |
| Chevrolet | G20 | 1978 | Nomad |
| Chevrolet | G20 | 1978 | Sportvan |
| Chevrolet | G20 Van | 1974 | Base |
| Chevrolet | G20 Van | 1974 | Sportvan |
| Chevrolet | G30 | 1975 | Beauville |
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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