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NGK Spark Plugs GR4IX - NGK Iridium IX Spark Plugs



NGK Spark Plugs GR4IX - NGK Iridium IX Spark Plugs

JEGS Part Number: 739-GR4IX

Iridium IX Spark Plug
  • 14mm x 3/4" Reach
  • 13/16" Hex
  • Projected
  • Gasket seat
  • Sold Individually
  • $7.21
    $5.99
    ON SALE - $1.22 OFF
    Ships

    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 this fit your vehicle?

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    1968 CHEVROLET C20 SUBURBAN

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

    1980-1981 JEEP CJ7

    • EngineType: V8
    • SubModel: LAREDO

    1967-1969 AMERICAN MOTORS AMBASSADOR

    • Liter: 5.6
    • EngineType: V8
    • SubModel: BASE

    1963 GMC PB1000 SERIES VAN

    • EngineType: ALL
    • SubModel: ALL

    1969 CHEVROLET K20 PICKUP

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

    1968 DODGE DART

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

    1970-1971 PLYMOUTH VALIANT

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

    1990 CHRYSLER LEBARON

    • EngineType: L4
    • SubModel: PREMIUM

    1969-1970 DODGE CORONET

    • EngineType: L6
    • SubModel: 440

    1990-1992 DODGE SPIRIT

    • EngineType: L4
    • SubModel: LE

    1969-1971 PLYMOUTH FURY III

    • EngineType: L6
    • SubModel: BASE

    1990 DODGE DAYTONA

    • EngineType: ALL
    • SubModel: ES TURBO

    1967 AMERICAN MOTORS REBEL

    • EngineType: L6
    • SubModel: BASE

    1983-1985 DODGE 600

    • Liter: 2.2
    • EngineType: L4
    • SubModel: BASE

    1968 PLYMOUTH FURY II

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

    1968 DODGE CHARGER

    • Liter: 7.0
    • SubModel: R/T
    • CUI: 426
    • EngineType: V8

    1973 CADILLAC FLEETWOOD

    • EngineType: ALL
    • SubModel: 60 SPECIAL BROUGHAM

    1979 CHRYSLER CORDOBA

    • EngineType: ALL
    • SubModel: 300

    1975 DODGE DART

    • Liter: 5.2
    • SubModel: SPECIAL EDITION
    • CUI: 318
    • EngineType: V8

    1971 DODGE CHARGER

    • Liter: 5.2
    • EngineType: V8
    • SubModel: SUPER BEE

    1968-1969 GMC C15/C1500 SUBURBAN

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

    1965 PLYMOUTH VALIANT

    • Liter: 3.7
    • EngineType: L6
    • SubModel: SIGNET

    1972 AMERICAN MOTORS JAVELIN

    • EngineType: ALL
    • SubModel: AMX

    1967 DODGE CHARGER

    • Liter: 5.2
    • EngineType: V8
    • SubModel: R/T

    1968 CHEVROLET K20 SUBURBAN

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

    1987-1990 DODGE SHADOW

    • EngineType: ALL
    • SubModel: ALL

    1967-1968 GMC C25/C2500 PICKUP

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

    1972-1973 DODGE B100 VAN

    • EngineType: V8
    • SubModel: SPORTSMAN

    1982 DODGE OMNI

    • EngineType: ALL
    • SubModel: 024 CHARGER 2.2

    1970-1971 PLYMOUTH VALIANT

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

    1980 DODGE B200 VAN

    • EngineType: V8
    • SubModel: MAXI

    1973 JEEP J-2600

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

    1969 GMC K25/K2500 PICKUP

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

    1967-1968 GMC C35/C3500 PICKUP

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

    1967 AMERICAN MOTORS REBEL

    • Liter: 5.6
    • EngineType: V8
    • SubModel: BASE

    1971 DODGE POLARA

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

    1976 MERCURY BOBCAT

    • EngineType: V6
    • SubModel: RUNABOUT

    1964-1965 CHEVROLET K10 PICKUP

    • CC: 3769
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 230
    • EngineType: L6

    1981-1982 CHRYSLER CORDOBA

    • EngineType: V8
    • SubModel: LS

    1982-1983 JEEP WAGONEER

    • EngineType: V8
    • SubModel: LIMITED

    1974 PLYMOUTH DUSTER

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

    1966 CHEVROLET P30 SERIES

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

    1972-1973 JEEP JEEPSTER

    • EngineType: ALL
    • SubModel: COMMANDO

    1970 AMERICAN MOTORS AMX

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

    1968-1969 PONTIAC TEMPEST

    • EngineType: L6
    • SubModel: CUSTOM

    1981-1985 DODGE ARIES

    • Liter: 2.2
    • EngineType: L4
    • SubModel: BASE

    1982 OLDSMOBILE FIRENZA

    • EngineType: ALL
    • SubModel: SX

    1972-1978 DODGE B300 VAN

    • Liter: 5.2
    • EngineType: V8
    • SubModel: MAXI

    1971 DODGE DART

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

    1970-1974 CADILLAC FLEETWOOD

    • Liter: 7.7
    • EngineType: V8
    • SubModel: 75

    1968-1970 JEEP J-3500

    • EngineType: L6
    • SubModel: BASE

    1968 DODGE DART

    • Liter: 2.8
    • SubModel: BASE
    • CUI: 170
    • EngineType: L6

    1978 DODGE D450 PICKUP

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

    1980 JEEP CJ7

    • EngineType: V8
    • SubModel: GOLDEN HAWK

    1969 CHEVROLET CHEVELLE

    • EngineType: L6
    • SubModel: SS

    1971 AMERICAN MOTORS HORNET

    • EngineType: ALL
    • SubModel: SST

    1975 PLYMOUTH GRAN FURY

    • Liter: 5.2
    • EngineType: V8
    • SubModel: CUSTOM

    1978 DODGE CHARGER

    • Liter: 5.9
    • EngineType: V8
    • SubModel: SPECIAL EDITION

    1982-1983 JEEP WAGONEER

    • EngineType: V8
    • SubModel: BROUGHAM

    1969 DODGE DART

    • Liter: 4.5
    • EngineType: V8
    • SubModel: SWINGER

    1988-1989 DODGE B250 VAN

    • EngineType: ALL
    • SubModel: ALL

    1970-1972 DODGE CHARGER

    • Liter: 7.2
    • EngineType: V8
    • SubModel: BASE

    1975-1976 DODGE CORONET

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

    1970 DODGE DART

    • EngineType: V8
    • SubModel: CUSTOM

    1978-1981 PLYMOUTH HORIZON

    • EngineType: ALL
    • SubModel: ALL

    1966-1967 DODGE CORONET

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

    1968 DODGE DART

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

    1967-1968 AMERICAN MOTORS AMERICAN

    • Liter: 4.7
    • EngineType: V8
    • SubModel: BASE

    1968 PLYMOUTH BELVEDERE

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

    1979 DODGE D300 PICKUP

    • EngineType: V8
    • SubModel: BASE

    1989-1990 PONTIAC SUNBIRD

    • EngineType: ALL
    • SubModel: ALL

    1978 PLYMOUTH PB200 VAN

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

    1972-1974 DODGE B300 VAN

    • EngineType: L6
    • SubModel: MAXI WAGON

    1983-1985 CHRYSLER TOWN & COUNTRY

    • Liter: 2.2
    • EngineType: L4
    • SubModel: MARK CROSS

    1972-1973 DODGE DART

    • EngineType: L6
    • SubModel: SPECIAL

    1971 INTERNATIONAL M800

    • CC: 3802
    • Liter: 3.8
    • SubModel: BASE
    • CUI: 232
    • EngineType: L6

    1979-1980 DODGE B300 VAN

    • EngineType: ALL
    • SubModel: SPORTSMAN

    1983 PLYMOUTH SCAMP

    • EngineType: ALL
    • SubModel: ALL

    1968 GMC C25/C2500 SUBURBAN

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

    1974 DODGE CB300 VAN

    • EngineType: ALL
    • SubModel: ALL

    1981-1988 DODGE W250 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1968 CHEVROLET CHEVY II

    • EngineType: L6
    • SubModel: NOVA

    1975-1977 DODGE CHARGER

    • Liter: 5.9
    • SubModel: SPECIAL EDITION
    • CUI: 360
    • EngineType: V8

    1975 PLYMOUTH FURY

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

    1963-1964 DODGE POLARA

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

    1971 AMERICAN MOTORS HORNET

    • EngineType: ALL
    • SubModel: BASE

    1978 PLYMOUTH PB300 VAN

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

    1967 DODGE CORONET

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

    1974 DODGE D100 PICKUP

    • EngineType: L6
    • SubModel: BASE

    1970 DODGE DART

    • Liter: 3.2
    • EngineType: L6
    • SubModel: SWINGER

    1980 PLYMOUTH GRAN FURY

    • EngineType: V8
    • SubModel: SALON

    1968 PLYMOUTH FURY

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

    1968-1969 CHEVROLET EL CAMINO

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

    1986-1987 DODGE D250 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1973 PLYMOUTH FURY

    • CC: 5212
    • Liter: 5.2
    • SubModel: SPORT SUBURBAN
    • CUI: 318
    • EngineType: V8

    1980-1981 PLYMOUTH CARAVELLE

    • EngineType: V8
    • SubModel: SALON

    1961-1974 DODGE D300 PICKUP

    • EngineType: L6
    • SubModel: BASE

    1972-1973 DODGE DART

    • EngineType: L6
    • SubModel: CUSTOM

    1971 JEEP J-100

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

    1968 DODGE CORONET

    • CC: 5212
    • Liter: 5.2
    • SubModel: 440
    • CUI: 318
    • EngineType: V8