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NGK Spark Plugs YR5IX

Iridium IX Spark Plug 14mm x .460" Reach

NGK Spark Plugs YR5IX

739-YR5IX

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NGK Spark Plugs YR5IX Iridium IX Spark Plug 14mm x .460" Reach $6.99
Iridium IX Spark Plug
  • 14mm x .460" Reach
  • 5/8" Hex
  • Tapered seat
  • Sold Individually

  • Specifications:

    Manufacturer's Part Number:
    YR5IX

    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 YR5IX fit your vehicle?

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    Aspiration

    1979-1980 CHEVROLET K10 PICKUP

    • Liter: 4.8
    • SubModel: CUSTOM DELUXE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1970 GMC C35/C3500 PICKUP

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979 CHEVROLET G30 VAN

    • Liter: 6.6
    • SubModel: CHEVY VAN
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1984 GMC K2500 SUBURBAN

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1982-1986 CHEVROLET K30 PICKUP

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: VANDURA SPECIAL

    1987 GMC V2500 PICKUP

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1970 CHEVROLET CAMARO

    • CC: 4098
    • Liter: 4.1
    • SubModel: RS
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979-1980 CHEVROLET C10 PICKUP

    • Liter: 7.4
    • SubModel: SILVERADO
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1976 GMC K25 PICKUP

    • Liter: 4.8
    • SubModel: SIERRA GRANDE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1975-1976 CHEVROLET C10 PICKUP

    • Liter: 7.4
    • SubModel: CHEYENNE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972-1973 CHEVROLET IMPALA

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1972 CHEVROLET K30 PICKUP

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1974 GMC K35/K3500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1986 GMC C2500 PICKUP

    • Liter: 4.8
    • SubModel: SIERRA CLASSIC
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1970-1971 CHEVROLET K20 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1980 GMC K3500 PICKUP

    • EngineType: ALL
    • SubModel: HIGH SIERRA

    1982 GMC K2500 PICKUP

    • Liter: 4.8
    • SubModel: SIERRA GRANDE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1982-1986 GMC C3500 PICKUP

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1982-1986 GMC K3500 PICKUP

    • Liter: 7.4
    • SubModel: SIERRA CLASSIC
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1977 CHEVROLET K20 PICKUP

    • Liter: 4.8
    • SubModel: CUSTOM DELUXE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1987-1988 GMC R3500 PICKUP

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1977-1978 CHEVROLET P20 VAN

    • Liter: 4.8
    • SubModel: STEP-VAN
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1976 CHEVROLET K20 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: SCOTTSDALE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979-1982 GMC C1500 PICKUP

    • Liter: 5.7
    • SubModel: STREET COUPE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1978 GMC G35/G3500 VAN

    • EngineType: ALL
    • SubModel: ALL

    1980 GMC K2500 PICKUP

    • Liter: 4.8
    • SubModel: SIERRA GRANDE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1972 GMC SPRINT

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1979 CHEVROLET C20 PICKUP

    • CC: 5031
    • Liter: 5.0
    • SubModel: CUSTOM DELUXE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1982 GMC K2500 SUBURBAN

    • Liter: 4.8
    • SubModel: HIGH SIERRA
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1982-1986 GMC C2500 SUBURBAN

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975 CHEVROLET K10 PICKUP

    • Liter: 4.8
    • SubModel: SILVERADO
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1979-1986 GMC C2500 PICKUP

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1979 GMC K1500 SUBURBAN

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1973-1974 CHEVROLET CAPRICE

    • CC: 5737
    • Liter: 5.7
    • SubModel: CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 GMC JIMMY

    • Liter: 5.0
    • SubModel: HIGH SIERRA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1977 CHEVROLET C20 SUBURBAN

    • CC: 5031
    • Liter: 5.0
    • SubModel: SILVERADO
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979 CHEVROLET G30 VAN

    • Liter: 5.7
    • SubModel: HI-CUBE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1974 GMC C15/C1500 SUBURBAN

    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1976 CHEVROLET C10 PICKUP

    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972-1973 GMC P35/P3500 VAN

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1970 CHEVROLET C10 SUBURBAN

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1975-1976 CHEVROLET K5 BLAZER

    • Liter: 6.6
    • SubModel: BASE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976 CHEVROLET K20 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: CUSTOM DELUXE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979 GMC C2500 PICKUP

    • Liter: 5.0
    • SubModel: SIERRA CLASSIC
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1979-1980 CHEVROLET C20 PICKUP

    • Liter: 6.6
    • SubModel: SCOTTSDALE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970 GMC JIMMY

    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1978 GMC K25 PICKUP

    • Liter: 4.8
    • SubModel: SIERRA GRANDE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1982 GMC C3500 PICKUP

    • Liter: 5.7
    • SubModel: SIERRA GRANDE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1980 GMC K2500 SUBURBAN

    • EngineType: ALL
    • SubModel: SIERRA CLASSIC

    1977-1978 CHEVROLET G20 VAN

    • EngineType: ALL
    • SubModel: ALL

    1979 GMC K2500 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1975-1976 CHEVROLET G10 VAN

    • Liter: 5.7
    • SubModel: BEAUVILLE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1977-1978 GMC K15 SUBURBAN

    • Liter: 5.0
    • SubModel: HIGH SIERRA
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1970 CHEVROLET CHEVELLE

    • CC: 7439
    • Liter: 7.4
    • SubModel: NOMAD
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976-1978 GMC G15/G1500 VAN

    • EngineType: ALL
    • SubModel: ALL

    1974 CHEVROLET EL CAMINO

    • Liter: 6.6
    • SubModel: CUSTOM
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1987-1988 GMC R3500 PICKUP

    • Liter: 4.8
    • SubModel: HIGH SIERRA
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1972 CHEVROLET TOWNSMAN

    • CC: 5737
    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1978 CHEVROLET K10 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1984-1986 CHEVROLET C20 SUBURBAN

    • Liter: 7.4
    • SubModel: SCOTTSDALE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1975-1978 GMC K15 SUBURBAN

    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973-1974 CHEVROLET CAPRICE

    • CC: 6556
    • Liter: 6.6
    • SubModel: ESTATE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1987-1988 CHEVROLET R20 PICKUP

    • Liter: 4.8
    • SubModel: CUSTOM DELUXE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1971-1972 CHEVROLET CHEVELLE

    • CC: 7441
    • Liter: 7.4
    • SubModel: BASE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1974 CHEVROLET C10 SUBURBAN

    • CC: 4097
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1972 CHEVROLET K20 SUBURBAN

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1976 CHEVROLET K20 PICKUP

    • CC: 4097
    • Liter: 4.1
    • SubModel: CHEYENNE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1985-1986 CHEVROLET K20 PICKUP

    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1973 CHEVROLET P30 VAN

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975 GMC C35/C3500 PICKUP

    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1975-1976 CHEVROLET C10 PICKUP

    • Liter: 4.8
    • SubModel: SILVERADO
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1975-1976 GMC K25 PICKUP

    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1972-1973 CHEVROLET K20 PICKUP

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1978 CHEVROLET P10 VAN

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1978 CHEVROLET C30 PICKUP

    • EngineType: ALL
    • SubModel: ALL

    1975-1976 GMC C15 SUBURBAN

    • Liter: 7.4
    • SubModel: HIGH SIERRA
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1976 GMC C25/C2500 PICKUP

    • Liter: 6.6
    • SubModel: HIGH SIERRA
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1970-1971 GMC C25/C2500 SUBURBAN

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1979-1980 CHEVROLET C20 PICKUP

    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1970 CHEVROLET TOWNSMAN

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1974 CHEVROLET C30 PICKUP

    • CC: 4801
    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1979-1980 GMC C3500 PICKUP

    • Liter: 5.7
    • SubModel: BASE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1976-1977 CHEVROLET C20 SUBURBAN

    • Liter: 6.6
    • SubModel: SCOTTSDALE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1976-1977 CHEVROLET C20 SUBURBAN

    • Liter: 5.7
    • SubModel: SILVERADO
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1982-1986 GMC K3500 PICKUP

    • Liter: 7.4
    • SubModel: HIGH SIERRA
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988 GMC V3500 PICKUP

    • Liter: 4.8
    • SubModel: BASE
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1978 GMC K25 PICKUP

    • Liter: 4.8
    • SubModel: SIERRA CLASSIC
    • CUI: 292
    • EngineType: L6 ( 4.8 L / 292 )

    1974 CHEVROLET EL CAMINO

    • Liter: 5.7
    • SubModel: CUSTOM
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1979 GMC C2500 PICKUP

    • Liter: 6.6
    • SubModel: SIERRA GRANDE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1975 GMC C25/C2500 PICKUP

    • Liter: 5.7
    • SubModel: HIGH SIERRA
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1981 CHEVROLET C30 PICKUP

    • EngineType: ALL
    • SubModel: CUSTOM

    1987 CHEVROLET V30 PICKUP

    • Liter: 7.4
    • SubModel: CUSTOM DELUXE
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1972 CHEVROLET IMPALA

    • CC: 6588
    • Liter: 6.6
    • SubModel: BASE
    • CUI: 402
    • EngineType: V8 ( 6.6 L / 402 )

    1973 CHEVROLET G20 VAN

    • CC: 5736
    • Liter: 5.7
    • SubModel: SPORTVAN
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1978 GMC CABALLERO

    • Liter: 5.0
    • SubModel: BASE
    • CUI: 305
    • EngineType: V8 ( 5.0 L / 305 )

    1975-1977 CHEVROLET K20 PICKUP

    • Liter: 5.7
    • SubModel: SCOTTSDALE
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )

    1970 CHEVROLET NOVA

    • CC: 4098
    • Liter: 4.1
    • SubModel: BASE
    • CUI: 250
    • EngineType: L6 ( 4.1 L / 250 )

    1979 CHEVROLET C30 PICKUP

    • Liter: 6.6
    • SubModel: SCOTTSDALE
    • CUI: 400
    • EngineType: V8 ( 6.6 L / 400 )

    1979-1983 GMC C1500 SUBURBAN

    • Liter: 5.7
    • SubModel: SIERRA CLASSIC
    • CUI: 350
    • EngineType: V8 ( 5.7 L / 350 )
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