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NGK Extra Long Life Double Platinum Spark Plug Box of 4 (PTRSF-11)

Get the best performance out of your vehicle with NGK's Extra Long Life Double Platinum Spark Plug. Engineered with high-grade pure alumina ceramic and 98% pure copper core, this spark plug provides reliable starts, stable idling, and improved fuel efficiency.

  • High ignitibility and longer service life compared to conventional nickel spark plugs
  • Platinum pad on the ground electrode for even wear in distributorless ignition systems
  • Tested to the highest standards to ensure quality and durability

With over 80 years of automotive expertise, NGK has built a reputation for quality and reliability. This spark plug is designed to meet or exceed OE standards for the highest durability and operational performance.

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

Make Model Year Type
Audi V8 Quattro 1990 Base
Audi V8 Quattro 1991 Base
Buick Century 1986 Custom
Buick Century 1986 Estate Wagon
Buick Century 1986 Limited
Buick Century 1986 T-Type
Buick Century 1987 Custom
Buick Century 1987 Estate Wagon
Buick Century 1987 Limited
Buick Century 1988 Custom
Buick Century 1988 Estate Wagon
Buick Century 1988 Limited
Buick Electra 1986 Limited
Buick Electra 1986 Park Avenue
Buick Electra 1986 T-Type
Buick Electra 1987 Limited
Buick Electra 1987 Park Avenue
Buick Electra 1987 T-Type
Buick LeSabre 1986 Custom
Buick LeSabre 1986 Limited
Buick LeSabre 1987 Base
Buick LeSabre 1987 Custom
Buick LeSabre 1987 Limited
Buick LeSabre 1987 T-Type
Buick LeSabre 1988 Base
Buick LeSabre 1988 Custom
Buick LeSabre 1988 Limited
Buick Riviera 1986 Luxury
Buick Riviera 1986 T-Type
Buick Riviera 1987 Luxury
Buick Riviera 1987 T-Type
Buick Roadmaster 1994 Base
Buick Roadmaster 1994 Estate Wagon
Buick Roadmaster 1994 Limited
Buick Roadmaster 1995 Base
Buick Roadmaster 1995 Estate Wagon
Buick Roadmaster 1995 Limited
Buick Roadmaster 1996 Collector's Edition
Buick Roadmaster 1996 Estate Wagon Collector's Edition
Buick Roadmaster 1996 Limited Collector's Edition
Buick Skylark 1986 Custom
Buick Skylark 1986 Limited
Buick Skylark 1987 Custom
Buick Skylark 1987 Limited
Buick Skylark 1988 Custom
Buick Skylark 1988 Limited
Buick Skylark 1995 Custom
Buick Skylark 1995 Limited
Buick Somerset 1986 Custom
Buick Somerset 1986 Limited
Buick Somerset 1986 T-Type
Buick Somerset 1987 Custom
Buick Somerset 1987 Limited
Buick Somerset Regal 1985 Base
Buick Somerset Regal 1985 Limited
Cadillac Fleetwood 1994 Base
Cadillac Fleetwood 1994 Brougham
Cadillac Fleetwood 1995 Base
Cadillac Fleetwood 1995 Brougham
Cadillac Fleetwood 1996 Base
Cadillac Fleetwood 1996 Brougham
Chevrolet Camaro 1996 Z28
Chevrolet Camaro 1997 Z28
Chevrolet Caprice 1994 Classic
Chevrolet Caprice 1994 Classic LS
Chevrolet Caprice 1995 Classic
Chevrolet Caprice 1996 Classic
Chevrolet Corvette 1992 Base
Chevrolet Corvette 1993 40th Anniversary Edition
Chevrolet Corvette 1993 Base
Chevrolet Corvette 1993 ZR-1
Chevrolet Corvette 1994 Base
Chevrolet Corvette 1994 ZR-1
Chevrolet Corvette 1995 Base
Chevrolet Corvette 1995 Indianapolis 500 Pace Car
Chevrolet Corvette 1995 ZR-1
Chevrolet Corvette 1996 Base
Chevrolet Corvette 1996 Collector's Edition
Chevrolet Corvette 1996 Grand Sport
Chevrolet Lumina 1991 Z34
Chevrolet Lumina 1992 Euro
Chevrolet Lumina 1992 Z34
Chevrolet Lumina 1993 Euro
Chevrolet Lumina 1993 Z34
Chevrolet Lumina 1994 Euro
Chevrolet Lumina 1994 Z34
Chevrolet Monte Carlo 1995 Z34
Chevrolet Vega 1975 Cosworth
Chevrolet Vega 1976 Cosworth
DeLorean DMC 12 1981 Base
DeLorean DMC 12 1982 Base
DeLorean DMC 12 1983 Base
Eagle Medallion 1988 DL
Eagle Medallion 1988 DL
Eagle Medallion 1988 LX
Eagle Medallion 1989 LX
Eagle Premier 1988 ES
Eagle Premier 1988 LX
Ford Aerostar 1986 Base
Ford Aerostar 1986 XL
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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