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Walker Products WIRE SET THUNDERCORE ULT

948-900-1427


Product Q&A
View Now
$36.99
  • Walker Thunder Core Spark Plug wire sets meet or exceed OEM Quality. Walker Thunder Core wire sets are Precision made for superior performance and manufactured to meet or exceed all original equipment specifications.
  • Ships directly from the manufacturer on 12/18/19
    Save $10 off $150+, $20 off $250+, $40 off $500+, $100 off $1,000+ Orders. Promo Code: SANTA exclusions apply
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    Does Walker Products 900-1427 fit your vehicle?

    Narrow Results

    1985-1986  GMC K3500

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988  CHEVROLET R30

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  GMC P3500

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VALUE VAN
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989  CHEVROLET R3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988  CHEVROLET V30

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  CHEVROLET P30

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STEP-VAN
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  GMC C2500

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  CHEVROLET P30

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  CHEVROLET C20 SUBURBAN

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC V3500

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  CHEVROLET P30

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  GMC C3500

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  GMC K3500

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC V3500

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988  CHEVROLET R30

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC V3500

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  GMC C2500

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  CHEVROLET K30

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988  CHEVROLET R30

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989  CHEVROLET R3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  GMC K3500

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989  CHEVROLET V3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1988  CHEVROLET V30

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC V3500

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  GMC C3500

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  GMC C2500

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC P3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989  CHEVROLET V3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  CHEVROLET K30

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  CHEVROLET C30

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC R3500

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988  CHEVROLET R30

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989  CHEVROLET V3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC R3500

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985  CHEVROLET P30

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: STEP-VAN
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  CHEVROLET C20

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989  CHEVROLET R3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989  CHEVROLET R3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1988  CHEVROLET R30

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988  CHEVROLET V30

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  GMC C3500

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  GMC P3500

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC V3500

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  GMC C2500 SUBURBAN

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  CHEVROLET C20 SUBURBAN

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  GMC C2500 SUBURBAN

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC R3500

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  GMC C2500 SUBURBAN

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988  CHEVROLET V30

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC V3500

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  CHEVROLET C20

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988  CHEVROLET R30

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC R3500

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SIERRA CLASSIC
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC R3500

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: BASE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985  CHEVROLET K20 SUBURBAN

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988  CHEVROLET V30

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989  CHEVROLET R3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  CHEVROLET C20

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988  CHEVROLET V30

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC P3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: VALUE VAN
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  CHEVROLET C20 SUBURBAN

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1989  GMC R3500

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: HIGH SIERRA
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988  CHEVROLET V30

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1987-1988  CHEVROLET R30

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM DELUXE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  CHEVROLET K30

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  CHEVROLET C30

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989  CHEVROLET V3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SILVERADO
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989  CHEVROLET R3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1985-1986  CHEVROLET C30

    • Fitment_Note: w/ Stainless Steel Exhaust Manifold
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CUSTOM
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1988  CHEVROLET V30

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989  CHEVROLET V3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: N
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1989  CHEVROLET V3500

    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: SCOTTSDALE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )

    1988  CHEVROLET R30

    • Fitment_Note: Carbureted
    • Liter: 7.4
    • Aspiration: NATURALLY ASPIRATED
    • SubModel: CHEYENNE
    • Engine Vin: W
    • CUI: 454
    • EngineType: V8 ( 7.4 L / 454 )
    Some parts are not legal for use in California or other states with similar laws / regulations

    Motor Vehicles

    WARNING: Motor vehicles contain fuel, oils and fluids, battery posts, terminals and related accessories which contain lead and lead compounds and other chemicals known to the State of California to cause cancer, birth defects and other reproductive harm. These chemicals are found in vehicles, vehicle parts and accessories, both new and as replacements. When being serviced, these vehicles generate used oil, waste fluids, grease, fumes and particulates, all known to the State of California to cause cancer, birth defects, and reproductive harm.

    Tools:

    WARNING: Some dust created by power sanding, sawing, grinding, drilling, and other construction activities contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Some examples of these chemicals are: lead from lead-based paints, crystalline silica from bricks and cement and other masonry products, and arsenic and chromium from chemically treated lumber. Your risk from exposure to these chemicals varies, depending on how often you do this type of work. To reduce your exposure, work in a well-ventilated area and with approved safety equipment, such as dust masks that are specially designed to filter out microscopic particles.

    Electrical Cords

    WARNING: The wires of these products contain chemicals known to the State of California to cause cancer and birth defects or other reproductive harm. Wash hands after handling.