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NGK Spark Plugs GR5IX

Iridium IX Spark Plug 14mm x 3/4" Reach

NGK Spark Plugs GR5IX

739-GR5IX

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$7.99
$5.32
ON SALE - $2.67 OFF
NGK Spark Plugs GR5IX Iridium IX Spark Plug 14mm x 3/4" Reach $5.32
Iridium IX Spark Plug
  • 14mm x 3/4" Reach
  • 13/16" Hex
  • Projected
  • Gasket seat
  • Sold Individually

  • Specifications:

    Manufacturer's Part Number:
    GR5IX

    The Plug for Serious Enthusiasts
    Iridium has a very high melting point that's perfect for high-performance, high-tech engines. It is stronger than any other metal used in spark plugs.

  • Ultra-fine electrode (thin enough for spark consistency & accuracy, thick enough for max durability & longevity)
  • Reduces spark voltage requirement
  • Fuel efficiency & extreme ignitability
  • Improved throttle response
  • Outstanding acceleration
  • Superior antifouling, anticorrosion, and antiseizing properties
  • Quality NGK Spark Plugs
  • Sold individually

  • Does NGK Spark Plugs GR5IX fit your vehicle?

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    Liter

    1972-1974 INTERNATIONAL MS1210

    • CC: 4229
    • Liter: 4.2
    • SubModel: BASE
    • CUI: 258
    • EngineType: L6 ( 4.2 L / 258 )

    1972 INTERNATIONAL M800 POST OFFICE

    • CC: 4229
    • Liter: 4.2
    • SubModel: BASE
    • CUI: 258
    • EngineType: L6 ( 4.2 L / 258 )

    1968 GMC K25/K2500 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1983-1986 BUICK SKYHAWK

    • EngineType: ALL
    • SubModel: T-TYPE

    1969 CHEVROLET C30 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1974 FORD MUSTANG II

    • CC: 2803
    • Liter: 2.8
    • SubModel: MACH I
    • CUI: 171
    • EngineType: V6 ( 2.8 L / 171 )

    1966-1968 CHEVROLET BISCAYNE

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1983 PONTIAC J2000

    • Liter: 1.8
    • SubModel: BASE
    • CUI: 112
    • EngineType: L4 ( 1.8 L / 112 )

    1971 DODGE CORONET

    • Liter: 7.0
    • SubModel: BASE
    • CUI: 426
    • EngineType: V8 ( 7.0 L / 426 )

    1979 FORD COURIER

    • CC: 1989
    • Liter: 2.0
    • SubModel: XLT
    • CUI: 122
    • EngineType: L4 ( 2.0 L / 122 )

    1968-1969 CHEVROLET EL CAMINO

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968 CHEVROLET K30 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1969-1970 DODGE CORONET

    • CC: 6981
    • Liter: 7.0
    • SubModel: DELUXE
    • CUI: 426
    • EngineType: V8 ( 7.0 L / 426 )

    1971-1973 FORD PINTO

    • CC: 1599
    • Liter: 1.6
    • SubModel: BASE
    • CUI: 98
    • EngineType: L4 ( 1.6 L / 98 )

    1969-1970 DODGE CORONET

    • CC: 6981
    • Liter: 7.0
    • SubModel: SUPER BEE
    • CUI: 426
    • EngineType: V8 ( 7.0 L / 426 )

    1976 FORD PINTO

    • Liter: 2.8
    • SubModel: PONY
    • CUI: 171
    • EngineType: V6 ( 2.8 L / 171 )

    1983-1984 GMC S15 JIMMY

    • Liter: 1.9
    • SubModel: GYPSY
    • CUI: 119
    • EngineType: L4 ( 1.9 L / 119 )

    1975-1976 FORD COURIER

    • EngineType: ALL
    • SubModel: ALL

    1981 FORD COURIER

    • CC: 1989
    • Liter: 2.0
    • SubModel: XLT
    • CUI: 122
    • EngineType: L4 ( 2.0 L / 122 )

    1969 CHEVROLET CHEVELLE

    • CC: 6489
    • Liter: 6.5
    • SubModel: GREENBRIER
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1970-1971 PLYMOUTH CUDA

    • CC: 6981
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 426
    • EngineType: V8 ( 7.0 L / 426 )

    1969 CHEVROLET K20 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1984-1985 PONTIAC J2000 SUNBIRD

    • Liter: 1.8
    • SubModel: LE
    • CUI: 112
    • EngineType: L4 ( 1.8 L / 112 )

    1974 INTERNATIONAL 200

    • CC: 4229
    • Liter: 4.2
    • SubModel: TRAVELALL
    • CUI: 258
    • EngineType: L6 ( 4.2 L / 258 )

    1982-1985 GMC S15 PICKUP

    • Liter: 1.9
    • SubModel: SIERRA CLASSIC
    • CUI: 119
    • EngineType: L4 ( 1.9 L / 119 )

    1972 INTERNATIONAL M1100

    • CC: 4229
    • Liter: 4.2
    • SubModel: BASE
    • CUI: 258
    • EngineType: L6 ( 4.2 L / 258 )

    1968 DODGE CORONET

    • CC: 6981
    • Liter: 7.0
    • SubModel: 440
    • CUI: 426
    • EngineType: V8 ( 7.0 L / 426 )

    1969 GMC C35/C3500 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1982-1985 GMC S15 PICKUP

    • Liter: 1.9
    • SubModel: BASE
    • CUI: 119
    • EngineType: L4 ( 1.9 L / 119 )

    1970 DODGE CORONET

    • CC: 6981
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 426
    • EngineType: V8 ( 7.0 L / 426 )

    1982-1985 GMC S15 PICKUP

    • Liter: 1.9
    • SubModel: HIGH SIERRA
    • CUI: 119
    • EngineType: L4 ( 1.9 L / 119 )

    1969 CHEVROLET C20 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1969-1970 DODGE CORONET

    • CC: 6981
    • Liter: 7.0
    • SubModel: 440
    • CUI: 426
    • EngineType: V8 ( 7.0 L / 426 )

    1968 DODGE CORONET

    • CC: 6981
    • Liter: 7.0
    • SubModel: 500
    • CUI: 426
    • EngineType: V8 ( 7.0 L / 426 )

    1983-1984 GMC S15 JIMMY

    • Liter: 1.9
    • SubModel: BASE
    • CUI: 119
    • EngineType: L4 ( 1.9 L / 119 )

    1963-1966 PLYMOUTH FURY

    • CC: 6981
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 426
    • EngineType: V8 ( 7.0 L / 426 )

    1981 FORD COURIER

    • CC: 1989
    • Liter: 2.0
    • SubModel: BASE
    • CUI: 122
    • EngineType: L4 ( 2.0 L / 122 )

    1961-1965 CHEVROLET BISCAYNE

    • CC: 6704
    • Liter: 6.7
    • SubModel: BASE
    • CUI: 409
    • EngineType: V8 ( 6.7 L / 409 )

    1982-1985 CHEVROLET S10 PICKUP

    • Liter: 1.9
    • SubModel: DURANGO
    • CUI: 119
    • EngineType: L4 ( 1.9 L / 119 )

    1975-1976 FORD PINTO

    • Liter: 2.8
    • SubModel: BASE
    • CUI: 171
    • EngineType: V6 ( 2.8 L / 171 )

    1961-1965 CHEVROLET BEL AIR

    • CC: 6704
    • Liter: 6.7
    • SubModel: BASE
    • CUI: 409
    • EngineType: V8 ( 6.7 L / 409 )

    1964-1965 CHEVROLET IMPALA

    • Liter: 6.7
    • SubModel: SS
    • CUI: 409
    • EngineType: V8 ( 6.7 L / 409 )

    1966-1969 CHEVROLET IMPALA

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1982-1985 CHEVROLET S10 PICKUP

    • Liter: 1.9
    • SubModel: TAHOE
    • CUI: 119
    • EngineType: L4 ( 1.9 L / 119 )

    1966-1967 CHEVROLET IMPALA

    • Liter: 6.5
    • SubModel: SS
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1993 PONTIAC SUNBIRD

    • Liter: 2.0
    • SubModel: LE VALUE LEADER
    • CUI: 122
    • EngineType: L4 ( 2.0 L / 122 )

    1967-1969 CHEVROLET CHEVELLE

    • CC: 6489
    • Liter: 6.5
    • SubModel: CONCOURS
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1983-1986 BUICK SKYHAWK

    • Liter: 1.8
    • SubModel: CUSTOM
    • CUI: 112
    • EngineType: L4 ( 1.8 L / 112 )

    1968 CHEVROLET C20 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968 GMC C35/C3500 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1987-1988 PONTIAC GRAND AM

    • Liter: 2.0
    • SubModel: LE
    • CUI: 122
    • EngineType: L4 ( 2.0 L / 122 )

    1983-1984 CHEVROLET S10 BLAZER

    • Liter: 1.9
    • SubModel: TAHOE
    • CUI: 119
    • EngineType: L4 ( 1.9 L / 119 )

    1968 GMC C25/C2500 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1969 CHEVROLET CHEVELLE

    • CC: 6489
    • Liter: 6.5
    • SubModel: CONCOURS ESTATE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1983-1984 GMC S15 JIMMY

    • Liter: 1.9
    • SubModel: SIERRA CLASSIC
    • CUI: 119
    • EngineType: L4 ( 1.9 L / 119 )

    1970 CHEVROLET EL CAMINO

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968 CHEVROLET K10 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1975-1976 FORD MUSTANG II

    • Liter: 2.8
    • SubModel: MACH I
    • CUI: 171
    • EngineType: V6 ( 2.8 L / 171 )

    1968-1969 CHEVROLET CHEVELLE

    • CC: 6489
    • Liter: 6.5
    • SubModel: 300 DELUXE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1989 GEO SPECTRUM

    • EngineType: ALL
    • SubModel: ALL

    1987-1990 PONTIAC SUNBIRD

    • EngineType: ALL
    • SubModel: ALL

    1966-1967 CHEVROLET MALIBU

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1966-1969 CHEVROLET CAPRICE

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1983 PONTIAC J2000

    • Liter: 1.8
    • SubModel: SE
    • CUI: 112
    • EngineType: L4 ( 1.8 L / 112 )

    1971 DODGE CORONET

    • Liter: 7.0
    • SubModel: BROUGHAM
    • CUI: 426
    • EngineType: V8 ( 7.0 L / 426 )

    1985-1988 PONTIAC SUNBURST

    • EngineType: ALL
    • SubModel: ALL

    1974 INTERNATIONAL MHC1310

    • CC: 4229
    • Liter: 4.2
    • SubModel: BASE
    • CUI: 258
    • EngineType: L6 ( 4.2 L / 258 )

    1982 BUICK SKYHAWK

    • EngineType: ALL
    • SubModel: ALL

    1970 PLYMOUTH CUDA

    • CC: 5572
    • Liter: 5.6
    • SubModel: BASE
    • CUI: 340
    • EngineType: V8 ( 5.6 L / 340 )

    1982-1985 CHEVROLET S10 PICKUP

    • Liter: 1.9
    • SubModel: SPORT
    • CUI: 119
    • EngineType: L4 ( 1.9 L / 119 )

    1967 DODGE CHARGER

    • CC: 6981
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 426
    • EngineType: V8 ( 7.0 L / 426 )

    1982 GMC S15 PICKUP

    • Liter: 1.9
    • SubModel: SIERRA GRANDE
    • CUI: 119
    • EngineType: L4 ( 1.9 L / 119 )

    1987 BUICK SKYHAWK

    • EngineType: ALL
    • SubModel: ALL

    1966-1969 CHEVROLET CORVETTE

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1974 INTERNATIONAL 100

    • EngineType: L6 ( 4.2 L / 258 )
    • SubModel: BASE

    1966-1968 CHEVROLET CAPRICE

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1974 FORD MUSTANG II

    • CC: 2803
    • Liter: 2.8
    • SubModel: GHIA
    • CUI: 171
    • EngineType: V6 ( 2.8 L / 171 )

    1968 CHEVROLET C10 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1972-1973 INTERNATIONAL 1310

    • EngineType: L6 ( 4.2 L / 258 )
    • SubModel: BASE

    1966-1967 CHEVROLET IMPALA

    • Liter: 7.0
    • SubModel: SS
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1966-1968 CHEVROLET BEL AIR

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1979 FORD COURIER

    • Liter: 1.8
    • SubModel: XLT
    • CUI: 110
    • EngineType: L4 ( 1.8 L / 110 )

    1969 CHEVROLET K10 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1971 DODGE CORONET

    • Liter: 7.0
    • SubModel: CRESTWOOD
    • CUI: 426
    • EngineType: V8 ( 7.0 L / 426 )

    1969 CHEVROLET C10 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1966-1969 CHEVROLET CHEVELLE

    • CC: 6489
    • Liter: 6.5
    • SubModel: SS
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1967 DODGE CORONET

    • Liter: 7.0
    • SubModel: 500
    • CUI: 426
    • EngineType: V8 ( 7.0 L / 426 )

    1968 GMC C15/C1500 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968 CHEVROLET K20 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1968 CHEVROLET C30 PICKUP

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1966-1968 CHEVROLET IMPALA

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8 ( 7.0 L / 427 )

    1983 GMC S15 PICKUP

    • Liter: 1.9
    • SubModel: GYPSY
    • CUI: 119
    • EngineType: L4 ( 1.9 L / 119 )

    1972-1973 INTERNATIONAL 1110

    • EngineType: L6 ( 4.2 L / 258 )
    • SubModel: BASE

    1968-1969 CHEVROLET C10 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1986 PONTIAC SUNBIRD

    • Liter: 1.8
    • SubModel: SE
    • CUI: 112
    • EngineType: L4 ( 1.8 L / 112 )

    1985-1988 CHEVROLET SPECTRUM

    • EngineType: ALL
    • SubModel: ALL

    1969 CHEVROLET K10 SUBURBAN

    • CC: 6489
    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1970 CHEVROLET NOVA

    • Liter: 6.5
    • SubModel: BASE
    • CUI: 396
    • EngineType: V8 ( 6.5 L / 396 )

    1979 FORD COURIER

    • Liter: 1.8
    • SubModel: BASE
    • CUI: 110
    • EngineType: L4 ( 1.8 L / 110 )

    1987-1989 PONTIAC GRAND AM

    • Liter: 2.0
    • SubModel: SE
    • CUI: 122
    • EngineType: L4 ( 2.0 L / 122 )
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