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NGK Spark Plugs UR4IX - NGK Iridium IX Spark Plugs



NGK Spark Plugs UR4IX - NGK Iridium IX Spark Plugs

Part Number: 739-UR4IX

Iridium IX Spark Plug
  • 14mm x .460" Reach
  • 5/8" Hex
  • Projected
  • Tapered seat
  • Sold Individually
  • $10.97
    Ships

    Specifications:

    Manufacturer's Part Number:
    UR4IX

    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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    1987 PONTIAC GRAND PRIX

    • EngineType: V8
    • SubModel: LE

    1976-1977 CHEVROLET C20 PICKUP

    • Liter: 4.1
    • EngineType: L6
    • SubModel: SILVERADO

    1985 BUICK REGAL

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1979 CHEVROLET G30 VAN

    • Liter: 4.1
    • EngineType: L6
    • SubModel: HI-CUBE

    1975 PLYMOUTH SCAMP

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

    1980-1982 FORD E-100 ECONOLINE CLUB WAGON

    • Liter: 5.8
    • EngineType: V8
    • SubModel: BASE

    1981 OLDSMOBILE CUTLASS

    • Liter: 4.4
    • EngineType: V8
    • SubModel: LS

    1973-1976 FORD F-250

    • Liter: 7.5
    • EngineType: V8
    • SubModel: BASE

    1970 FORD GALAXIE 500

    • CC: 7030
    • Liter: 7.0
    • SubModel: XL
    • EngineType: V8

    1981 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: SPORT

    1980 CHEVROLET MALIBU

    • EngineType: ALL
    • SubModel: CLASSIC ESTATE

    1981-1984 CHEVROLET P30 VAN

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

    1995-1996 FORD F-350

    • Liter: 7.5
    • EngineType: V8
    • SubModel: EDDIE BAUER

    1992 CHEVROLET CAMARO

    • EngineType: ALL
    • SubModel: Z28 HERITAGE EDITION

    1971 CHEVROLET BEL AIR

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8

    1973-1974 BUICK APOLLO

    • EngineType: V8
    • SubModel: BASE

    1982 GMC K1500 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SIERRA GRANDE

    1991-1992 CHEVROLET CAMARO

    • Liter: 5.7
    • SubModel: Z28
    • CUI: 350
    • EngineType: V8

    1972 PONTIAC LEMANS

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1976 CHEVROLET P30 VAN

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1979-1980 GMC C3500 PICKUP

    • Liter: 4.1
    • EngineType: L6
    • SubModel: SIERRA CLASSIC

    1979-1980 FORD E-350 ECONOLINE CLUB WAGON

    • Liter: 7.5
    • EngineType: V8
    • SubModel: CUSTOM

    1985 PONTIAC BONNEVILLE

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    • SubModel: BASE

    1972-1976 FORD RANCHERO

    • Liter: 6.6
    • EngineType: V8
    • SubModel: 500

    1978-1981 CHRYSLER LEBARON

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    • SubModel: BASE

    1981-1982 FORD F-100

    • Liter: 4.2
    • EngineType: V8
    • SubModel: CUSTOM

    1985 FORD F-150

    • EngineType: V8
    • SubModel: XL

    1970 BUICK SPORTWAGON

    • CC: 7456
    • Liter: 7.5
    • SubModel: BASE
    • CUI: 455
    • EngineType: V8

    1981 FORD F-100

    • Liter: 5.8
    • EngineType: V8
    • SubModel: RANGER XLT

    1973 PONTIAC LEMANS

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

    1980-1981 PONTIAC LAURENTIAN

    • Liter: 4.4
    • EngineType: V8
    • SubModel: BASE

    1971 CHEVROLET BLAZER

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 307
    • EngineType: V8

    1984-1985 FORD LTD

    • EngineType: ALL
    • SubModel: CROWN VICTORIA

    1979-1980 CHEVROLET P30 VAN

    • EngineType: V8
    • SubModel: STEP-VAN

    1979-1980 GMC K3500 PICKUP

    • EngineType: V8
    • SubModel: BASE

    1976 PONTIAC LEMANS

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

    1986 CHEVROLET MONTE CARLO

    • EngineType: V6
    • SubModel: LS

    1971 CHEVROLET CHEVELLE

    • Liter: 5.7
    • EngineType: V8
    • SubModel: CONCOURS ESTATE

    1979 GMC C1500 PICKUP

    • EngineType: ALL
    • SubModel: HEAVY HALF

    1979-1980 FORD E-350 ECONOLINE CLUB WAGON

    • Liter: 5.8
    • EngineType: V8
    • SubModel: BASE

    1980-1982 FORD F-250

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1979-1981 GMC K2500 PICKUP

    • EngineType: V8
    • SubModel: SIERRA GRANDE

    1971 CHEVROLET CHEVELLE

    • Liter: 6.6
    • EngineType: V8
    • SubModel: GREENBRIER

    1970 MERCURY COLONY PARK

    • CC: 7030
    • Liter: 7.0
    • SubModel: BASE
    • EngineType: V8

    1976 CHEVROLET G10 VAN

    • EngineType: L6
    • SubModel: SPORTVAN

    1976 FORD F-350

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1978-1979 CHEVROLET MONTE CARLO

    • Liter: 3.3
    • EngineType: V6
    • SubModel: LANDAU

    1980-1982 FORD E-350 ECONOLINE

    • Liter: 6.6
    • EngineType: V8
    • SubModel: CARGO

    1970 MERCURY COUGAR

    • CC: 7014
    • Liter: 7.0
    • SubModel: BASE
    • EngineType: V8

    1971-1974 BUICK LESABRE

    • EngineType: ALL
    • SubModel: ALL

    1976-1978 GMC C25/C2500 PICKUP

    • EngineType: V8
    • SubModel: BASE

    1977 OLDSMOBILE OMEGA

    • Liter: 5.0
    • SubModel: F85
    • CUI: 305
    • EngineType: V8

    1986 CHEVROLET CAMARO

    • Liter: 5.0
    • SubModel: Z28
    • CUI: 305
    • EngineType: V8

    1982-1986 GMC C1500 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1987 DODGE W150 PICKUP

    • EngineType: L6
    • SubModel: BASE

    1971 CHEVROLET CORVETTE

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1970 MERCURY COUGAR

    • Liter: 5.8
    • EngineType: V8
    • SubModel: XR-7

    1987 FORD BRONCO

    • Liter: 5.0
    • EngineType: V8
    • SubModel: BASE

    1973-1974 MERCURY COUGAR

    • EngineType: ALL
    • SubModel: XR-7

    1979-1980 CHEVROLET C30 PICKUP

    • EngineType: V8
    • SubModel: SILVERADO

    1987-1988 CHEVROLET MONTE CARLO

    • CC: 5031
    • Liter: 5.0
    • SubModel: BASE
    • EngineType: V8

    1979-1980 CHEVROLET G20 VAN

    • EngineType: V8
    • SubModel: CHEVY VAN

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

    1970 CHEVROLET EL CAMINO

    • Liter: 7.4
    • EngineType: V8
    • SubModel: SS

    1979-1980 CHEVROLET K20 PICKUP

    • Liter: 4.1
    • EngineType: L6
    • SubModel: SCOTTSDALE

    1985-1991 FORD F-250

    • Liter: 7.5
    • EngineType: V8
    • SubModel: SUPER CAB

    1980-1982 FORD E-100 ECONOLINE

    • Liter: 5.8
    • EngineType: V8
    • SubModel: BASE

    1972-1973 FORD GRAN TORINO

    • Liter: 7.0
    • EngineType: V8
    • SubModel: BASE

    1985-1986 CHEVROLET K10 SUBURBAN

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SILVERADO

    1984-1986 FORD E-350 ECONOLINE

    • Liter: 7.5
    • EngineType: V8
    • SubModel: BASE

    1973-1974 FORD GRAN TORINO

    • Liter: 6.6
    • EngineType: V8
    • SubModel: BASE

    1973-1974 OLDSMOBILE OMEGA

    • EngineType: L6
    • SubModel: BASE

    1976 CHEVROLET K10 PICKUP

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

    1992-1996 FORD E-350 ECONOLINE CLUB WAGON

    • Liter: 7.5
    • EngineType: V8
    • SubModel: CHATEAU

    1982-1984 CHEVROLET C10 PICKUP

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SILVERADO

    1981 CHEVROLET MALIBU

    • Liter: 4.4
    • SubModel: BASE
    • CUI: 267
    • EngineType: V8

    1979 GMC K1500 PICKUP

    • EngineType: V8
    • SubModel: SIERRA GRANDE

    1975-1977 DODGE D200 PICKUP

    • EngineType: L6
    • SubModel: BASE

    1984 FORD E-250 ECONOLINE CLUB WAGON

    • EngineType: V8
    • SubModel: XLT

    1980 GMC K1500 SUBURBAN

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

    1979 CHEVROLET MONTE CARLO

    • Liter: 4.4
    • SubModel: BASE
    • CUI: 267
    • EngineType: V8

    1983 FORD F-250

    • Liter: 7.5
    • EngineType: V8
    • SubModel: XLS

    1985 BUICK REGAL

    • EngineType: V6
    • SubModel: BASE

    1980 GMC K1500 PICKUP

    • Liter: 6.6
    • EngineType: V8
    • SubModel: SIERRA GRANDE

    1985 CHEVROLET K20 PICKUP

    • Liter: 5.0
    • EngineType: V8
    • SubModel: SILVERADO

    1981-1982 GMC C2500 SUBURBAN

    • Liter: 5.7
    • EngineType: V8
    • SubModel: SIERRA GRANDE

    1981 DODGE MIRADA

    • EngineType: L6
    • SubModel: BASE

    1984-1985 FORD LTD

    • EngineType: ALL
    • SubModel: COUNTRY SQUIRE

    1986-1988 FORD E-150 ECONOLINE

    • Liter: 5.0
    • EngineType: V8
    • SubModel: XL

    1979-1980 CHEVROLET C30 PICKUP

    • Liter: 4.1
    • EngineType: L6
    • SubModel: CHEYENNE

    1977-1978 CHEVROLET MALIBU

    • EngineType: V8
    • SubModel: CLASSIC

    1985 FORD BRONCO

    • EngineType: V8
    • SubModel: XLT

    1970-1974 FORD COUNTRY SQUIRE

    • Liter: 5.8
    • EngineType: V8
    • SubModel: BASE

    1971 CHEVROLET BLAZER

    • CC: 5736
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8

    1976-1978 CHEVROLET G20 VAN

    • EngineType: V8
    • SubModel: SPORTVAN

    1984-1987 DODGE D100 PICKUP

    • EngineType: L6
    • SubModel: CUSTOM

    1976-1977 DODGE ASPEN

    • EngineType: L6
    • SubModel: SPECIAL EDITION

    1968-1971 BUICK SKYLARK

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

    1982 GMC K1500 PICKUP

    • EngineType: L6
    • SubModel: SIERRA GRANDE

    1979-1980 FORD E-350 ECONOLINE CLUB WAGON

    • Liter: 5.8
    • EngineType: V8
    • SubModel: CUSTOM
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