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NGK Spark Plugs GR4IX

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



NGK Spark Plugs GR4IX

Part Number: 739-GR4IX

Iridium IX Spark Plug
  • 14mm x 3/4" Reach
  • 13/16" Hex
  • Projected
  • Gasket seat
  • Sold Individually
  • $5.99
    $5.32
    ON SALE - $0.67 OFF
    Ships
    NGK Spark Plugs GR4IX Iridium IX Spark Plug 14mm x 3/4" Reach $5.32

    Specifications:

    Manufacturer's Part Number:
    GR4IX

    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 GR4IX fit your vehicle?

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    1975 PLYMOUTH VALIANT

    • EngineType: V8
    • SubModel: BROUGHAM

    1971-1973 DODGE DART

    • Liter: 5.6
    • EngineType: V8
    • SubModel: SPECIAL

    1968 PLYMOUTH BELVEDERE

    • CC: 5212
    • Liter: 5.2
    • SubModel: BASE
    • CUI: 318
    • EngineType: V8

    1969 CHEVROLET CAPRICE

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8

    1968 PLYMOUTH FURY

    • CC: 3687
    • Liter: 3.7
    • SubModel: CUSTOM SUBURBAN
    • CUI: 225
    • EngineType: L6

    1988-1989 DODGE W100 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1990 DODGE D150 PICKUP

    • EngineType: ALL
    • SubModel: S

    1974 PLYMOUTH BARRACUDA

    • EngineType: ALL
    • SubModel: ALL

    1968 PLYMOUTH FURY

    • Liter: 5.2
    • SubModel: SUBURBAN
    • CUI: 318
    • EngineType: V8

    1968 DODGE DART

    • Liter: 5.2
    • SubModel: GTS
    • CUI: 318
    • EngineType: V8

    1974 DODGE B100 VAN

    • Liter: 5.2
    • EngineType: V8
    • SubModel: SPORTSMAN

    1968 PLYMOUTH FURY

    • CC: 5212
    • Liter: 5.2
    • SubModel: VIP
    • CUI: 318
    • EngineType: V8

    1977-1978 DODGE D200 PICKUP

    • Liter: 5.2
    • EngineType: V8
    • SubModel: BASE

    1990-1993 CHRYSLER LEBARON

    • EngineType: L4
    • SubModel: BASE

    1965 PLYMOUTH VALIANT

    • EngineType: V8
    • SubModel: SIGNET

    1968 PLYMOUTH VALIANT

    • Liter: 5.2
    • SubModel: SIGNET
    • CUI: 318
    • EngineType: V8

    1974-1978 DODGE RAMCHARGER

    • Liter: 5.9
    • EngineType: V8
    • SubModel: BASE

    1974-1975 PLYMOUTH DUSTER

    • EngineType: ALL
    • SubModel: 360

    1980 DODGE B200 VAN

    • EngineType: V8
    • SubModel: SPORTSMAN

    1968 PLYMOUTH BARRACUDA

    • CC: 5572
    • Liter: 5.6
    • SubModel: BASE
    • CUI: 340
    • EngineType: V8

    1964-1966 AMERICAN MOTORS CLASSIC

    • Liter: 3.8
    • EngineType: L6
    • SubModel: BASE

    1987 DODGE D100 PICKUP

    • EngineType: V8
    • SubModel: BASE

    1975-1976 DODGE W300 PICKUP

    • Liter: 5.9
    • EngineType: V8
    • SubModel: CUSTOM

    1968-1969 BUICK SPECIAL

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • EngineType: L6

    1970-1971 PLYMOUTH VALIANT

    • Liter: 3.2
    • EngineType: L6
    • SubModel: BASE

    1962 DODGE DART

    • Liter: 3.7
    • EngineType: L6
    • SubModel: 440

    1972-1973 DODGE DART

    • EngineType: L6
    • SubModel: SWINGER

    1963-1964 DODGE POLARA

    • CC: 3687
    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6

    1969-1970 DODGE CORONET

    • Liter: 5.2
    • EngineType: V8
    • SubModel: DELUXE

    1968-1969 CHEVROLET G10 VAN

    • Liter: 4.1
    • SubModel: SPORTVAN
    • CUI: 250
    • EngineType: L6

    1968-1969 GMC C15/C1500 SUBURBAN

    • Liter: 4.1
    • EngineType: L6
    • SubModel: BASE

    1977-1978 DODGE W300 PICKUP

    • Liter: 5.2
    • EngineType: V8
    • SubModel: BASE

    1984-1987 PLYMOUTH GRAN FURY

    • EngineType: ALL
    • SubModel: SALON

    1989 DODGE CARAVAN

    • EngineType: L4
    • SubModel: CARGO VAN

    1986-1989 PLYMOUTH CARAVELLE

    • EngineType: ALL
    • SubModel: ALL

    1984-1987 DODGE CARAVAN

    • Liter: 2.2
    • EngineType: L4
    • SubModel: SE

    1969 AMERICAN MOTORS RAMBLER

    • Liter: 4.7
    • EngineType: V8
    • SubModel: ROGUE

    1974 DODGE DART

    • EngineType: ALL
    • SubModel: CUSTOM

    1969-1970 INTERNATIONAL M800

    • Liter: 3.8
    • EngineType: L6
    • SubModel: BASE

    1971 AMERICAN MOTORS HORNET

    • CC: 5900
    • Liter: 5.9
    • SubModel: SC/360
    • CUI: 360
    • EngineType: V8

    1968 PLYMOUTH VALIANT

    • Liter: 4.5
    • SubModel: 100
    • CUI: 273
    • EngineType: V8

    1968-1972 DODGE P300 VAN

    • EngineType: L6
    • SubModel: BASE

    1968 DODGE MONACO

    • CC: 5212
    • Liter: 5.2
    • SubModel: 500
    • CUI: 318
    • EngineType: V8

    1971-1974 DODGE CORONET

    • Liter: 5.2
    • EngineType: V8
    • SubModel: CRESTWOOD

    1968 DODGE CORONET

    • Liter: 5.2
    • SubModel: 440
    • CUI: 318
    • EngineType: V8

    1972-1973 DODGE DART

    • EngineType: L6
    • SubModel: SPECIAL

    1958 CHEVROLET BISCAYNE

    • Liter: 5.7
    • EngineType: V8
    • SubModel: BASE

    1975-1976 DODGE MONACO

    • Liter: 5.2
    • EngineType: V8
    • SubModel: ROYAL

    1974 PLYMOUTH PB200 VAN

    • Liter: 5.2
    • EngineType: V8
    • SubModel: VOYAGER EX WAGON

    1991 PONTIAC SUNBIRD

    • EngineType: ALL
    • SubModel: VALUE LEADER

    1971-1977 AMERICAN MOTORS MATADOR

    • EngineType: ALL
    • SubModel: ALL

    1969 CHEVROLET K30 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1968-1969 CHEVROLET CHEVELLE

    • EngineType: L6
    • SubModel: MALIBU

    1968-1969 GMC G15/G1500 VAN

    • EngineType: L6
    • SubModel: VANDURA

    1969 GMC K35/K3500 PICKUP

    • Liter: 4.1
    • EngineType: L6
    • SubModel: BASE

    1976-1978 PLYMOUTH PB300 VAN

    • Liter: 5.9
    • EngineType: V8
    • SubModel: VOYAGER

    1977-1978 DODGE W300 PICKUP

    • Liter: 5.9
    • EngineType: V8
    • SubModel: BASE

    1967-1974 DODGE D100 PICKUP

    • Liter: 5.2
    • EngineType: V8
    • SubModel: BASE

    1979 DODGE D100 PICKUP

    • EngineType: V8
    • SubModel: BASE

    1969-1973 PLYMOUTH FURY III

    • Liter: 5.2
    • EngineType: V8
    • SubModel: BASE

    1987-1991 DODGE RAMCHARGER

    • EngineType: ALL
    • SubModel: ALL

    1983 PLYMOUTH HORIZON

    • EngineType: ALL
    • SubModel: CUSTOM

    1971 PLYMOUTH SATELLITE

    • Liter: 5.2
    • EngineType: V8
    • SubModel: BROUGHAM

    1979-1980 CHRYSLER NEWPORT

    • Liter: 5.2
    • EngineType: V8
    • SubModel: BASE

    1983 PLYMOUTH HORIZON

    • EngineType: ALL
    • SubModel: TURISMO

    1968-1969 CHEVROLET EL CAMINO

    • CC: 4098
    • Liter: 4.1
    • SubModel: CUSTOM
    • EngineType: L6

    1968-1969 CHECKER MARATHON

    • EngineType: L6
    • SubModel: BASE

    1971-1974 PLYMOUTH SATELLITE

    • Liter: 5.2
    • EngineType: V8
    • SubModel: BASE

    1968 PLYMOUTH FURY

    • Liter: 5.2
    • SubModel: SPORT SUBURBAN
    • CUI: 318
    • EngineType: V8

    1969 CHEVROLET CHEVELLE

    • EngineType: L6
    • SubModel: SS

    1969 CHEVROLET IMPALA

    • CC: 6998
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 427
    • EngineType: V8

    1971-1974 PLYMOUTH SATELLITE

    • EngineType: L6
    • SubModel: CUSTOM

    1976 DODGE DART

    • Liter: 5.9
    • SubModel: SWINGER
    • CUI: 360
    • EngineType: V8

    1983-1990 DODGE OMNI

    • EngineType: ALL
    • SubModel: ALL

    1969 AMERICAN MOTORS RAMBLER

    • Liter: 4.7
    • EngineType: V8
    • SubModel: 440

    1968 DODGE CHARGER

    • CC: 6981
    • Liter: 7.0
    • SubModel: BASE
    • CUI: 426
    • EngineType: V8

    1975-1976 DODGE MONACO

    • Liter: 5.2
    • EngineType: V8
    • SubModel: ROYAL BROUGHAM

    1970 DODGE POLARA

    • Liter: 5.2
    • EngineType: V8
    • SubModel: SPECIAL

    1974 PLYMOUTH PB200 VAN

    • Liter: 5.9
    • EngineType: V8
    • SubModel: VOYAGER EX WAGON

    1974 PLYMOUTH FURY

    • CC: 5899
    • Liter: 5.9
    • SubModel: SUBURBAN
    • CUI: 360
    • EngineType: V8

    1968-1969 CHEVROLET EL CAMINO

    • Liter: 3.8
    • SubModel: CUSTOM
    • CUI: 230
    • EngineType: L6

    1967 DODGE DART

    • Liter: 4.5
    • EngineType: V8
    • SubModel: 270

    1968-1969 CHEVROLET EL CAMINO

    • Liter: 3.8
    • SubModel: BASE
    • CUI: 230
    • EngineType: L6

    1969 CHEVROLET CHEVELLE

    • EngineType: L6
    • SubModel: CONCOURS ESTATE

    1969-1971 PLYMOUTH FURY II

    • EngineType: L6
    • SubModel: BASE

    1974 DODGE D100 PICKUP

    • EngineType: L6
    • SubModel: BASE

    1967-1969 CHEVROLET CHEVELLE

    • EngineType: L6
    • SubModel: CONCOURS

    1969 CHEVROLET K30 PICKUP

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6

    1972-1974 PLYMOUTH SATELLITE

    • EngineType: L6
    • SubModel: BASE

    1968 AMERICAN MOTORS AMERICAN

    • Liter: 4.7
    • EngineType: V8
    • SubModel: ROGUE

    1967 DODGE CORONET

    • Liter: 3.7
    • SubModel: BASE
    • CUI: 225
    • EngineType: L6

    1974 DODGE MONACO

    • Liter: 5.9
    • EngineType: V8
    • SubModel: CUSTOM

    1970-1971 DODGE CHALLENGER

    • Liter: 5.6
    • EngineType: V8
    • SubModel: R/T

    1975 DODGE B300 VAN

    • EngineType: V8
    • SubModel: MAXI WAGON

    1975-1979 CHRYSLER CORDOBA

    • Liter: 5.9
    • SubModel: BASE
    • CUI: 360
    • EngineType: V8

    1968 PLYMOUTH BELVEDERE

    • CC: 3687
    • Liter: 3.7
    • SubModel: SATELLITE
    • CUI: 225
    • EngineType: L6

    1968 PLYMOUTH FURY

    • CC: 3687
    • Liter: 3.7
    • SubModel: SUBURBAN
    • CUI: 225
    • EngineType: L6

    1973 DODGE DART

    • EngineType: ALL
    • SubModel: SPORT 340

    1975-1976 DODGE CORONET

    • Liter: 5.9
    • SubModel: BROUGHAM
    • CUI: 360
    • EngineType: V8

    1971 DODGE DART

    • CC: 5212
    • Liter: 5.2
    • SubModel: CUSTOM
    • CUI: 318
    • EngineType: V8
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