NGK XR4IX - Alternative spark plugs

There are 4 replacement spark plugs for NGK XR4IX. The cross references are for general reference only, please check for correct specifications and measurements for your application. When you click on links to various merchants on this site and make a purchase, this can result in this site earning a commission. Affiliate programs and affiliations include Amazon Associates.

    Specifications for NGK XR4IX
  • Thread diameter: 14.0 mm
  • Thread reach: 9.5 mm
  • Hex size: 20.8 mm

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Replacement spark plugs for NGK XR4IX on Amazon

Applications of NGK XR4IX

Brand Model Engine size HP KW Year Engine # of cyl Spark plug gap
OLDSMOBILE 442 5.7 1970 - --- 4 bbl CID350 8 0.9
OLDSMOBILE 442 7.5 1970 - --- 4 bbl CID455 8 0.9
OLDSMOBILE 98 5.7 1972 - 1973 H 2 bbl CID350 8 0.9
OLDSMOBILE 98 5.7 1973 - K 4 bbl CID350 8 0.9
OLDSMOBILE 98 7.5 1973 - 1974 T 4 bbl CID455 8 0.9
OLDSMOBILE 98 7.5 1974 - U 4 bbl CID455 8 0.9
OLDSMOBILE Toronado 7.5 1968 - 1970 --- 4 bbl CID455 8 0.9
OLDSMOBILE Toronado 7.5 1973 - 1974 W 4 bbl CID455 8 0.9
PLYMOUTH Barracuda 5.9 1964 - --- 2 bbl CID361 8 0.9
PLYMOUTH Satellite 5.2 1965 - 1966 --- --- CID318 8 0.9
PLYMOUTH Satellite 5.2 1967 - F 2 bbl CID318 8 0.9
PLYMOUTH Satellite 6.3 1965 - 1966 --- 2 bbl CID383 8 0.9
PLYMOUTH Satellite 6.3 1967 - 1969 G 2 bbl CID383 8 0.9
PLYMOUTH Satellite 7.2 1966 - --- --- CID440 8 0.9
PONTIAC Bonneville 5.7 1970 - --- 2 bbl CID350 8 0.9
PONTIAC Bonneville 6.4 1959 - 1966 --- --- CID389 8 0.9
PONTIAC Bonneville 6.6 1970 - 1971 --- 2 or 4 bbl CID400 8 0.9
PONTIAC Bonneville 6.9 1963 - 1966 --- --- CID421 8 0.9
PONTIAC Bonneville 7.5 1970 - 1971 --- 4 bbl CID455 8 0.9
PONTIAC Catalina 5.7 1970 - 1971 --- 2 bbl CID350 8 0.9
PONTIAC Catalina 6.4 1959 - 1966 --- --- CID389 8 0.9
PONTIAC Catalina 6.6 1970 - 1971 --- 2 bbl, 4 bbl CID400 8 0.9
PONTIAC Catalina 6.9 1963 - 1966 --- --- CID421 8 0.9
PONTIAC Catalina 7.5 1970 - 1971 --- 2 bbl, 4 bbl CID455 8 0.9
PONTIAC Firebird 5.7 1968 - 1971 --- 2 bbl, 4 bbl CID350 8 0.9
PONTIAC Firebird 6.6 1970 - 1971 --- 2 or 4 bbl CID400 8 0.9
PONTIAC Firebird 7.5 1971 - --- 4 bbl CID455 8 0.9
PONTIAC Grand Prix 6.4 1962 - 1966 --- --- CID389 8 0.9
PONTIAC Grand Prix 6.6 1970 - 1971 --- 2 bbl, 4 bbl CID400 8 0.9
PONTIAC Grand Prix 6.9 1963 - 1966 --- --- CID421 8 0.9
PONTIAC Grand Prix 7.5 1970 - 1971 --- 2 bbl, 4 bbl CID455 8 0.9
PONTIAC GTO 5.3 1964 - 1966 --- 2 bbl CID326 8 0.9
PONTIAC GTO 5.7 1970 - --- 2 bbl CID350 8 0.9
PONTIAC GTO 6.4 1964 - 1966 --- 4 bbl CID389 8 0.9
PONTIAC GTO 6.6 1967 - 1971 --- 2 bbl, 4 bbl CID400 8 0.9

The spark plug Cross References are for general reference only. Check for correct application and spec/measurements. Any use of this cross reference is done at the installers risk.

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