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NGK G-Power Spark Plug Box of 4 (UR4GP)

Take your vehicle's performance to the next level with the NGK G-Power Spark Plug Box of 4 (UR4GP). These platinum spark plugs offer excellent performance and fuel efficiency at an economical price.

With a fine wire platinum center electrode and a trapezoidal cut ground electrode, these spark plugs provide increased durability, improved fuel efficiency, lower emissions, faster starts, and quicker acceleration over conventional nickel spark plugs.

  • Recommended as a lower-cost alternative to double precious metal spark plugs or as an upgrade to OE nickel alloy spark plugs
  • Excellent upgrade for vehicles that originally used nickel alloy spark plugs
  • Consider upgrading to a NGK Iridium IX plug for even better performance
  • Consider upgrading to a NGK RUTHENIUM HX plug for even greater performance

This product fits more vehicles than loaded. Please select your vehicle to see all fits.

Make Model Year Type
Buick Century 1980 Base
Buick Century 1980 Estate
Buick Century 1980 Limited
Buick Century 1980 Sport
Buick Commercial Chassis 1991 Base
Buick LeSabre 1980 Sport
Buick Regal 1980 Base
Buick Regal 1980 Limited
Buick Regal 1980 Sport
Buick Regal 1981 Sport
Buick Regal 1984 Grand National
Buick Regal 1984 T-Type
Buick Regal 1985 Grand National
Buick Regal 1985 T-Type
Buick Regal 1986 Grand National
Buick Regal 1986 T-Type
Buick Regal 1987 GNX
Buick Regal 1987 Grand National
Buick Regal 1987 Limited
Buick Riviera 1980 Base
Buick Riviera 1980 S
Buick Riviera 1981 Base
Buick Riviera 1981 T-Type
Buick Riviera 1984 Base
Buick Riviera 1984 Luxury
Buick Riviera 1984 T-Type
Buick Riviera 1985 Base
Buick Riviera 1985 Luxury
Buick Riviera 1985 T-Type
Buick Roadmaster 1991 Estate Wagon
Cadillac Brougham 1991 Base
Cadillac Brougham 1991 d'Elegance
Cadillac Brougham 1992 Base
Cadillac Brougham 1992 d'Elegance
Cadillac Commercial Chassis 1993 Brougham
Cadillac Fleetwood 1993 Base
Cadillac Fleetwood 1993 Brougham
Chevrolet C10 1980 Big Ten
Chevrolet C10 1980 Cheyenne
Chevrolet C10 1980 Custom Deluxe
Chevrolet C10 1980 Scottsdale
Chevrolet C10 1980 Silverado
Chevrolet C10 1981 Cheyenne
Chevrolet C10 1981 Custom
Chevrolet C10 1981 Deluxe
Chevrolet C10 1981 Scottsdale
Chevrolet C10 1981 Silverado
Chevrolet C10 1982 Custom
Chevrolet C10 1982 Scottsdale
Chevrolet C10 1982 Silverado
Chevrolet C10 1983 Custom
Chevrolet C10 1983 Scottsdale
Chevrolet C10 1983 Silverado
Chevrolet C10 1984 Custom
Chevrolet C10 1984 Scottsdale
Chevrolet C10 1984 Silverado
Chevrolet C10 1985 Custom
Chevrolet C10 1985 Scottsdale
Chevrolet C10 1985 Silverado
Chevrolet C10 1986 Custom
Chevrolet C10 1986 Scottsdale
Chevrolet C10 1986 Silverado
Chevrolet C10 Suburban 1980 Custom Deluxe
Chevrolet C10 Suburban 1980 Scottsdale
Chevrolet C10 Suburban 1980 Silverado
Chevrolet C10 Suburban 1981 Custom
Chevrolet C10 Suburban 1981 Deluxe
Chevrolet C10 Suburban 1982 Custom
Chevrolet C10 Suburban 1982 Scottsdale
Chevrolet C10 Suburban 1982 Silverado
Chevrolet C10 Suburban 1983 Custom
Chevrolet C10 Suburban 1983 Silverado
Chevrolet C10 Suburban 1984 Custom
Chevrolet C10 Suburban 1984 Scottsdale
Chevrolet C10 Suburban 1984 Silverado
Chevrolet C10 Suburban 1985 Custom
Chevrolet C10 Suburban 1985 Scottsdale
Chevrolet C10 Suburban 1985 Silverado
Chevrolet C10 Suburban 1986 Custom
Chevrolet C10 Suburban 1986 Scottsdale
Chevrolet C10 Suburban 1986 Silverado
Chevrolet C20 1980 Cheyenne
Chevrolet C20 1980 Custom Deluxe
Chevrolet C20 1980 Scottsdale
Chevrolet C20 1980 Silverado
Chevrolet C20 1981 Cheyenne
Chevrolet C20 1981 Custom
Chevrolet C20 1981 Deluxe
Chevrolet C20 1981 Scottsdale
Chevrolet C20 1981 Silverado
Chevrolet C20 1982 Custom
Chevrolet C20 1982 Scottsdale
Chevrolet C20 1982 Silverado
Chevrolet C20 1983 Custom
Chevrolet C20 1983 Scottsdale
Chevrolet C20 1983 Silverado
Chevrolet C20 1984 Custom
Chevrolet C20 1984 Scottsdale
Chevrolet C20 1984 Silverado
Chevrolet C20 1985 Custom
NGK manufactures spark plugs and spark plug wires, as well as glow plugs for diesel applications. Their range of spark plugs cover everything from OEM replacement to Ultimate Performance plugs, and are available as traditional copper, platinum, or iridium tips. NGK’s reputation as an OEM supplier for many car manufacturers makes them a top choice for spark plugs. Few brands can make that claim and have the quality to back it up.
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