NGK Iridium IX Spark Plug Box of 4 (YR5IX)
NGK Iridium IX Spark Plug Box of 4 (YR5IX)
NGK
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.This Part Fits:
Year
Make
Model
Submodel
1973-1974
Buick
Apollo
Base
1970,1972-1974
Chevrolet
Bel Air
Base
1970,1972
Chevrolet
Biscayne
Base
1970-1974
Chevrolet
Blazer
Base
1972
Chevrolet
Brookwood
Base
1978-1980
Chevrolet
C10
Big Ten
1975-1980
Chevrolet
C10
Cheyenne
1982-1983,1985-1986
Chevrolet
C10
Custom
1975-1980
Chevrolet
C10
Custom Deluxe
1975-1980,1982-1983,1985-1986
Chevrolet
C10
Scottsdale
1975-1980,1982-1983,1985-1986
Chevrolet
C10
Silverado
1970-1974
Chevrolet
C10 Pickup
Base
1970-1974
Chevrolet
C10 Suburban
Base
1981,1985-1986
Chevrolet
C10 Suburban
Custom
1975-1980
Chevrolet
C10 Suburban
Custom Deluxe
1981
Chevrolet
C10 Suburban
Deluxe
1975-1980,1985-1986
Chevrolet
C10 Suburban
Scottsdale
1975-1980,1985-1986
Chevrolet
C10 Suburban
Silverado
1975-1981
Chevrolet
C20
Cheyenne
1981-1986
Chevrolet
C20
Custom
1975-1980
Chevrolet
C20
Custom Deluxe
1981
Chevrolet
C20
Deluxe
1975-1986
Chevrolet
C20
Scottsdale
1975-1986
Chevrolet
C20
Silverado
1970-1974
Chevrolet
C20 Pickup
Base
1970-1974
Chevrolet
C20 Suburban
Base
1981-1986
Chevrolet
C20 Suburban
Custom
1975-1980
Chevrolet
C20 Suburban
Custom Deluxe
1981
Chevrolet
C20 Suburban
Deluxe
1975-1980,1982,1984-1986
Chevrolet
C20 Suburban
Scottsdale
1975-1977,1979-1980,1982-1986
Chevrolet
C20 Suburban
Silverado
1975-1981
Chevrolet
C30
Cheyenne
1981-1986
Chevrolet
C30
Custom
1975-1980
Chevrolet
C30
Custom Deluxe
1981
Chevrolet
C30
Deluxe
1975-1986
Chevrolet
C30
Scottsdale
1975-1986
Chevrolet
C30
Silverado
1970-1974
Chevrolet
C30 Pickup
Base
1970,1972-1974
Chevrolet
Camaro
Base
1973-1974
Chevrolet
Camaro
LT
1970,1972-1973
Chevrolet
Camaro
RS
1970,1972
Chevrolet
Camaro
SS
1972-1974
Chevrolet
Camaro
Z28
1970,1972
Chevrolet
Caprice
Base
1973-1974
Chevrolet
Caprice
Classic
1973-1974
Chevrolet
Caprice
Estate
1970-1972
Chevrolet
Chevelle
Base
1970-1972
Chevrolet
Chevelle
Concours
1970-1972
Chevrolet
Chevelle
Concours Estate
1973
Chevrolet
Chevelle
Deluxe
1970-1972
Chevrolet
Chevelle
Greenbrier
1973
Chevrolet
Chevelle
Laguna
1973
Chevrolet
Chevelle
Laguna Estate
1974-1975
Chevrolet
Chevelle
Laguna Type S-3
1970-1974
Chevrolet
Chevelle
Malibu
1974
Chevrolet
Chevelle
Malibu Classic
1974
Chevrolet
Chevelle
Malibu Classic Estate
1973
Chevrolet
Chevelle
Malibu Estate
1970-1972
Chevrolet
Chevelle
Nomad
1971-1972
Chevrolet
Chevelle
SS
1970
Chevrolet
Chevelle
SS 396
1970,1972-1974
Chevrolet
Corvette
Base
1970-1974,1976-1979
Chevrolet
El Camino
Base
1976-1977
Chevrolet
El Camino
Classic
1977-1978
Chevrolet
El Camino
Conquista
1969-1974
Chevrolet
El Camino
Custom
1979
Chevrolet
El Camino
Royal Knight
1970-1974,1976-1979
Chevrolet
El Camino
SS
1975-1980
Chevrolet
G10
Beauville
1975-1980
Chevrolet
G10
Chevy Van
1975-1983
Chevrolet
G10
Sportvan
1970,1972-1974
Chevrolet
G10 Van
Base
1970,1972-1974
Chevrolet
G10 Van
Sportvan
1975-1982,1984-1986
Chevrolet
G20
Beauville
1984
Chevrolet
G20
Bonaventure
1975-1982,1984-1986
Chevrolet
G20
Chevy Van
1978-1981
Chevrolet
G20
Nomad
1975-1986
Chevrolet
G20
Sportvan
1970-1974
Chevrolet
G20 Van
Base
1970-1974
Chevrolet
G20 Van
Sportvan
1975-1988
Chevrolet
G30
Beauville
1983-1984
Chevrolet
G30
Bonaventure
1975-1988
Chevrolet
G30
Chevy Van
1975-1988
Chevrolet
G30
Hi-Cube
1975-1986
Chevrolet
G30
Sportvan
1971-1974
Chevrolet
G30 Van
Base
1972-1974
Chevrolet
G30 Van
Sportvan
1970,1972-1974
Chevrolet
Impala
Base
1975-1981
Chevrolet
K10
Cheyenne
1981-1986
Chevrolet
K10
Custom
1975-1980
Chevrolet
K10
Custom Deluxe
1981
Chevrolet
K10
Deluxe
1975-1986
Chevrolet
K10
Scottsdale
1975-1986
Chevrolet
K10
Silverado
1970-1974
Chevrolet
K10 Pickup
Base
1970-1974
Chevrolet
K10 Suburban
Base
1981-1983,1985-1986
Chevrolet
K10 Suburban
Custom
1975-1980
Chevrolet
K10 Suburban
Custom Deluxe
1981
Chevrolet
K10 Suburban
Deluxe
1975-1980,1982,1985-1986
Chevrolet
K10 Suburban
Scottsdale
1975-1977,1979-1980,1982-1983,1985-1986
Chevrolet
K10 Suburban
Silverado
1975-1981
Chevrolet
K20
Cheyenne
1981-1986
Chevrolet
K20
Custom
1975-1980
Chevrolet
K20
Custom Deluxe
1981
Chevrolet
K20
Deluxe
1975-1986
Chevrolet
K20
Scottsdale
1975-1983,1985-1986
Chevrolet
K20
Silverado
1970-1974
Chevrolet
K20 Pickup
Base
1970-1974
Chevrolet
K20 Suburban
Base
1981-1986
Chevrolet
K20 Suburban
Custom
1975-1980
Chevrolet
K20 Suburban
Custom Deluxe
1981
Chevrolet
K20 Suburban
Deluxe
1975-1980,1982,1984-1986
Chevrolet
K20 Suburban
Scottsdale
1975-1977,1979-1980,1982-1983,1985-1986
Chevrolet
K20 Suburban
Silverado
1977-1981
Chevrolet
K30
Cheyenne
1981-1986
Chevrolet
K30
Custom
1977-1980
Chevrolet
K30
Custom Deluxe
1981
Chevrolet
K30
Deluxe
1977-1986
Chevrolet
K30
Scottsdale
1977-1986
Chevrolet
K30
Silverado
1970-1974
Chevrolet
K30 Pickup
Base
1976
Chevrolet
K5 Blazer
Base
1975-1980
Chevrolet
K5 Blazer
Cheyenne
1981
Chevrolet
K5 Blazer
Custom
1975,1977-1980
Chevrolet
K5 Blazer
Custom Deluxe
1981
Chevrolet
K5 Blazer
Deluxe
1978,1980-1981
Chevrolet
K5 Blazer
Silverado
1972
Chevrolet
Kingswood
Base
1972
Chevrolet
Kingswood
Estate
1970-1974
Chevrolet
Monte Carlo
Base
1973-1974
Chevrolet
Monte Carlo
Landau
1973
Chevrolet
Monte Carlo
S
1970,1972-1974
Chevrolet
Nova
Base
1973-1974
Chevrolet
Nova
Custom
1975-1980
Chevrolet
P10
Base
1975-1980
Chevrolet
P10
Step-Van
1970,1972-1974
Chevrolet
P10 Van
Base
1975-1989
Chevrolet
P20
Base
1975-1985,1987-1989
Chevrolet
P20
Step-Van
1970-1974
Chevrolet
P20 Van
Base
1975-1989
Chevrolet
P30
Base
1975-1985,1987-1989
Chevrolet
P30
Step-Van
1970-1974
Chevrolet
P30 Van
Base
1988
Chevrolet
R20
Cheyenne
1987-1988
Chevrolet
R20
Custom Deluxe
1987-1988
Chevrolet
R20
Scottsdale
1987-1988
Chevrolet
R20
Silverado
1988
Chevrolet
R30
Cheyenne
1987-1988
Chevrolet
R30
Custom Deluxe
1987-1988
Chevrolet
R30
Scottsdale
1987-1988
Chevrolet
R30
Silverado
1989
Chevrolet
R3500
Cheyenne
1989
Chevrolet
R3500
Scottsdale
1989
Chevrolet
R3500
Silverado
1970,1972
Chevrolet
Townsman
Base
1987
Chevrolet
V20
Custom Deluxe
1987
Chevrolet
V20
Scottsdale
1987
Chevrolet
V20
Silverado
1988
Chevrolet
V30
Cheyenne
1987-1988
Chevrolet
V30
Custom Deluxe
1987-1988
Chevrolet
V30
Scottsdale
1987-1988
Chevrolet
V30
Silverado
1989
Chevrolet
V3500
Cheyenne
1989
Chevrolet
V3500
Scottsdale
1989
Chevrolet
V3500
Silverado
1975-1978
GMC
C15
Base
1977-1978
GMC
C15
Heavy Half
1975-1978
GMC
C15
High Sierra
1977
GMC
C15
Indy Hauler
1975-1978
GMC
C15
Sierra Classic
1975-1978
GMC
C15
Sierra Grande
1978
GMC
C15
Street Coupe
1975-1978
GMC
C15 Suburban
Base
1975-1978
GMC
C15 Suburban
High Sierra
1975-1978
GMC
C15 Suburban
Sierra Classic
1975-1978
GMC
C15 Suburban
Sierra Grande
1970-1974
GMC
C15/C1500 Pickup
Base
1970-1974
GMC
C15/C1500 Suburban
Base
1979-1983,1985-1986
GMC
C1500
Base
1979-1980
GMC
C1500
Heavy Half
1979-1983,1985-1986
GMC
C1500
High Sierra
1979-1983,1985-1986
GMC
C1500
Sierra Classic
1979-1982
GMC
C1500
Sierra Grande
1979-1982
GMC
C1500
Street Coupe
1979-1983,1985-1986
GMC
C1500 Suburban
Base
1979-1983,1985-1986
GMC
C1500 Suburban
High Sierra
1979-1983,1985-1986
GMC
C1500 Suburban
Sierra Classic
1979-1982
GMC
C1500 Suburban
Sierra Grande
1975-1978
GMC
C25
Base
1975-1978
GMC
C25
High Sierra
1975-1978
GMC
C25
Sierra Classic
1975-1978
GMC
C25
Sierra Grande
1975-1978
GMC
C25 Suburban
Base
1975-1978
GMC
C25 Suburban
High Sierra
1975-1978
GMC
C25 Suburban
Sierra Classic
1975-1978
GMC
C25 Suburban
Sierra Grande
1970-1974
GMC
C25/C2500 Pickup
Base
1970-1974
GMC
C25/C2500 Suburban
Base
1979-1986
GMC
C2500
Base
1979-1986
GMC
C2500
High Sierra
![NGK Iridium IX Spark Plug Box of 4 (YR5IX)]()
![NGK Iridium IX Spark Plug Box of 4 (YR5IX)]()
![NGK Iridium IX Spark Plug Box of 4 (YR5IX)]()
![NGK Iridium IX Spark Plug Box of 4 (YR5IX)]()
![NGK Iridium IX Spark Plug Box of 4 (YR5IX)]()
![NGK Iridium IX Spark Plug Box of 4 (YR5IX)]()
![NGK Iridium IX Spark Plug Box of 4 (YR5IX)]()
![NGK Iridium IX Spark Plug Box of 4 (YR5IX)]()
![NGK Iridium IX Spark Plug Box of 4 (YR5IX)]()
NGK Iridium IX Spark Plug Box of 4 (YR5IX)
Category:
Car & Truck Parts
-
1-4 DAYS DELIVERY
-
100% ORIGINAL AND QUALITY
-
24 MONTHS GUARANTEE
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1973-1974 | Buick | Apollo | Base |
| 1970,1972-1974 | Chevrolet | Bel Air | Base |
| 1970,1972 | Chevrolet | Biscayne | Base |
| 1970-1974 | Chevrolet | Blazer | Base |
| 1972 | Chevrolet | Brookwood | Base |
| 1978-1980 | Chevrolet | C10 | Big Ten |
| 1975-1980 | Chevrolet | C10 | Cheyenne |
| 1982-1983,1985-1986 | Chevrolet | C10 | Custom |
| 1975-1980 | Chevrolet | C10 | Custom Deluxe |
| 1975-1980,1982-1983,1985-1986 | Chevrolet | C10 | Scottsdale |
| 1975-1980,1982-1983,1985-1986 | Chevrolet | C10 | Silverado |
| 1970-1974 | Chevrolet | C10 Pickup | Base |
| 1970-1974 | Chevrolet | C10 Suburban | Base |
| 1981,1985-1986 | Chevrolet | C10 Suburban | Custom |
| 1975-1980 | Chevrolet | C10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C10 Suburban | Deluxe |
| 1975-1980,1985-1986 | Chevrolet | C10 Suburban | Scottsdale |
| 1975-1980,1985-1986 | Chevrolet | C10 Suburban | Silverado |
| 1975-1981 | Chevrolet | C20 | Cheyenne |
| 1981-1986 | Chevrolet | C20 | Custom |
| 1975-1980 | Chevrolet | C20 | Custom Deluxe |
| 1981 | Chevrolet | C20 | Deluxe |
| 1975-1986 | Chevrolet | C20 | Scottsdale |
| 1975-1986 | Chevrolet | C20 | Silverado |
| 1970-1974 | Chevrolet | C20 Pickup | Base |
| 1970-1974 | Chevrolet | C20 Suburban | Base |
| 1981-1986 | Chevrolet | C20 Suburban | Custom |
| 1975-1980 | Chevrolet | C20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C20 Suburban | Deluxe |
| 1975-1980,1982,1984-1986 | Chevrolet | C20 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1986 | Chevrolet | C20 Suburban | Silverado |
| 1975-1981 | Chevrolet | C30 | Cheyenne |
| 1981-1986 | Chevrolet | C30 | Custom |
| 1975-1980 | Chevrolet | C30 | Custom Deluxe |
| 1981 | Chevrolet | C30 | Deluxe |
| 1975-1986 | Chevrolet | C30 | Scottsdale |
| 1975-1986 | Chevrolet | C30 | Silverado |
| 1970-1974 | Chevrolet | C30 Pickup | Base |
| 1970,1972-1974 | Chevrolet | Camaro | Base |
| 1973-1974 | Chevrolet | Camaro | LT |
| 1970,1972-1973 | Chevrolet | Camaro | RS |
| 1970,1972 | Chevrolet | Camaro | SS |
| 1972-1974 | Chevrolet | Camaro | Z28 |
| 1970,1972 | Chevrolet | Caprice | Base |
| 1973-1974 | Chevrolet | Caprice | Classic |
| 1973-1974 | Chevrolet | Caprice | Estate |
| 1970-1972 | Chevrolet | Chevelle | Base |
| 1970-1972 | Chevrolet | Chevelle | Concours |
| 1970-1972 | Chevrolet | Chevelle | Concours Estate |
| 1973 | Chevrolet | Chevelle | Deluxe |
| 1970-1972 | Chevrolet | Chevelle | Greenbrier |
| 1973 | Chevrolet | Chevelle | Laguna |
| 1973 | Chevrolet | Chevelle | Laguna Estate |
| 1974-1975 | Chevrolet | Chevelle | Laguna Type S-3 |
| 1970-1974 | Chevrolet | Chevelle | Malibu |
| 1974 | Chevrolet | Chevelle | Malibu Classic |
| 1974 | Chevrolet | Chevelle | Malibu Classic Estate |
| 1973 | Chevrolet | Chevelle | Malibu Estate |
| 1970-1972 | Chevrolet | Chevelle | Nomad |
| 1971-1972 | Chevrolet | Chevelle | SS |
| 1970 | Chevrolet | Chevelle | SS 396 |
| 1970,1972-1974 | Chevrolet | Corvette | Base |
| 1970-1974,1976-1979 | Chevrolet | El Camino | Base |
| 1976-1977 | Chevrolet | El Camino | Classic |
| 1977-1978 | Chevrolet | El Camino | Conquista |
| 1969-1974 | Chevrolet | El Camino | Custom |
| 1979 | Chevrolet | El Camino | Royal Knight |
| 1970-1974,1976-1979 | Chevrolet | El Camino | SS |
| 1975-1980 | Chevrolet | G10 | Beauville |
| 1975-1980 | Chevrolet | G10 | Chevy Van |
| 1975-1983 | Chevrolet | G10 | Sportvan |
| 1970,1972-1974 | Chevrolet | G10 Van | Base |
| 1970,1972-1974 | Chevrolet | G10 Van | Sportvan |
| 1975-1982,1984-1986 | Chevrolet | G20 | Beauville |
| 1984 | Chevrolet | G20 | Bonaventure |
| 1975-1982,1984-1986 | Chevrolet | G20 | Chevy Van |
| 1978-1981 | Chevrolet | G20 | Nomad |
| 1975-1986 | Chevrolet | G20 | Sportvan |
| 1970-1974 | Chevrolet | G20 Van | Base |
| 1970-1974 | Chevrolet | G20 Van | Sportvan |
| 1975-1988 | Chevrolet | G30 | Beauville |
| 1983-1984 | Chevrolet | G30 | Bonaventure |
| 1975-1988 | Chevrolet | G30 | Chevy Van |
| 1975-1988 | Chevrolet | G30 | Hi-Cube |
| 1975-1986 | Chevrolet | G30 | Sportvan |
| 1971-1974 | Chevrolet | G30 Van | Base |
| 1972-1974 | Chevrolet | G30 Van | Sportvan |
| 1970,1972-1974 | Chevrolet | Impala | Base |
| 1975-1981 | Chevrolet | K10 | Cheyenne |
| 1981-1986 | Chevrolet | K10 | Custom |
| 1975-1980 | Chevrolet | K10 | Custom Deluxe |
| 1981 | Chevrolet | K10 | Deluxe |
| 1975-1986 | Chevrolet | K10 | Scottsdale |
| 1975-1986 | Chevrolet | K10 | Silverado |
| 1970-1974 | Chevrolet | K10 Pickup | Base |
| 1970-1974 | Chevrolet | K10 Suburban | Base |
| 1981-1983,1985-1986 | Chevrolet | K10 Suburban | Custom |
| 1975-1980 | Chevrolet | K10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K10 Suburban | Deluxe |
| 1975-1980,1982,1985-1986 | Chevrolet | K10 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1983,1985-1986 | Chevrolet | K10 Suburban | Silverado |
| 1975-1981 | Chevrolet | K20 | Cheyenne |
| 1981-1986 | Chevrolet | K20 | Custom |
| 1975-1980 | Chevrolet | K20 | Custom Deluxe |
| 1981 | Chevrolet | K20 | Deluxe |
| 1975-1986 | Chevrolet | K20 | Scottsdale |
| 1975-1983,1985-1986 | Chevrolet | K20 | Silverado |
| 1970-1974 | Chevrolet | K20 Pickup | Base |
| 1970-1974 | Chevrolet | K20 Suburban | Base |
| 1981-1986 | Chevrolet | K20 Suburban | Custom |
| 1975-1980 | Chevrolet | K20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K20 Suburban | Deluxe |
| 1975-1980,1982,1984-1986 | Chevrolet | K20 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1983,1985-1986 | Chevrolet | K20 Suburban | Silverado |
| 1977-1981 | Chevrolet | K30 | Cheyenne |
| 1981-1986 | Chevrolet | K30 | Custom |
| 1977-1980 | Chevrolet | K30 | Custom Deluxe |
| 1981 | Chevrolet | K30 | Deluxe |
| 1977-1986 | Chevrolet | K30 | Scottsdale |
| 1977-1986 | Chevrolet | K30 | Silverado |
| 1970-1974 | Chevrolet | K30 Pickup | Base |
| 1976 | Chevrolet | K5 Blazer | Base |
| 1975-1980 | Chevrolet | K5 Blazer | Cheyenne |
| 1981 | Chevrolet | K5 Blazer | Custom |
| 1975,1977-1980 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1978,1980-1981 | Chevrolet | K5 Blazer | Silverado |
| 1972 | Chevrolet | Kingswood | Base |
| 1972 | Chevrolet | Kingswood | Estate |
| 1970-1974 | Chevrolet | Monte Carlo | Base |
| 1973-1974 | Chevrolet | Monte Carlo | Landau |
| 1973 | Chevrolet | Monte Carlo | S |
| 1970,1972-1974 | Chevrolet | Nova | Base |
| 1973-1974 | Chevrolet | Nova | Custom |
| 1975-1980 | Chevrolet | P10 | Base |
| 1975-1980 | Chevrolet | P10 | Step-Van |
| 1970,1972-1974 | Chevrolet | P10 Van | Base |
| 1975-1989 | Chevrolet | P20 | Base |
| 1975-1985,1987-1989 | Chevrolet | P20 | Step-Van |
| 1970-1974 | Chevrolet | P20 Van | Base |
| 1975-1989 | Chevrolet | P30 | Base |
| 1975-1985,1987-1989 | Chevrolet | P30 | Step-Van |
| 1970-1974 | Chevrolet | P30 Van | Base |
| 1988 | Chevrolet | R20 | Cheyenne |
| 1987-1988 | Chevrolet | R20 | Custom Deluxe |
| 1987-1988 | Chevrolet | R20 | Scottsdale |
| 1987-1988 | Chevrolet | R20 | Silverado |
| 1988 | Chevrolet | R30 | Cheyenne |
| 1987-1988 | Chevrolet | R30 | Custom Deluxe |
| 1987-1988 | Chevrolet | R30 | Scottsdale |
| 1987-1988 | Chevrolet | R30 | Silverado |
| 1989 | Chevrolet | R3500 | Cheyenne |
| 1989 | Chevrolet | R3500 | Scottsdale |
| 1989 | Chevrolet | R3500 | Silverado |
| 1970,1972 | Chevrolet | Townsman | Base |
| 1987 | Chevrolet | V20 | Custom Deluxe |
| 1987 | Chevrolet | V20 | Scottsdale |
| 1987 | Chevrolet | V20 | Silverado |
| 1988 | Chevrolet | V30 | Cheyenne |
| 1987-1988 | Chevrolet | V30 | Custom Deluxe |
| 1987-1988 | Chevrolet | V30 | Scottsdale |
| 1987-1988 | Chevrolet | V30 | Silverado |
| 1989 | Chevrolet | V3500 | Cheyenne |
| 1989 | Chevrolet | V3500 | Scottsdale |
| 1989 | Chevrolet | V3500 | Silverado |
| 1975-1978 | GMC | C15 | Base |
| 1977-1978 | GMC | C15 | Heavy Half |
| 1975-1978 | GMC | C15 | High Sierra |
| 1977 | GMC | C15 | Indy Hauler |
| 1975-1978 | GMC | C15 | Sierra Classic |
| 1975-1978 | GMC | C15 | Sierra Grande |
| 1978 | GMC | C15 | Street Coupe |
| 1975-1978 | GMC | C15 Suburban | Base |
| 1975-1978 | GMC | C15 Suburban | High Sierra |
| 1975-1978 | GMC | C15 Suburban | Sierra Classic |
| 1975-1978 | GMC | C15 Suburban | Sierra Grande |
| 1970-1974 | GMC | C15/C1500 Pickup | Base |
| 1970-1974 | GMC | C15/C1500 Suburban | Base |
| 1979-1983,1985-1986 | GMC | C1500 | Base |
| 1979-1980 | GMC | C1500 | Heavy Half |
| 1979-1983,1985-1986 | GMC | C1500 | High Sierra |
| 1979-1983,1985-1986 | GMC | C1500 | Sierra Classic |
| 1979-1982 | GMC | C1500 | Sierra Grande |
| 1979-1982 | GMC | C1500 | Street Coupe |
| 1979-1983,1985-1986 | GMC | C1500 Suburban | Base |
| 1979-1983,1985-1986 | GMC | C1500 Suburban | High Sierra |
| 1979-1983,1985-1986 | GMC | C1500 Suburban | Sierra Classic |
| 1979-1982 | GMC | C1500 Suburban | Sierra Grande |
| 1975-1978 | GMC | C25 | Base |
| 1975-1978 | GMC | C25 | High Sierra |
| 1975-1978 | GMC | C25 | Sierra Classic |
| 1975-1978 | GMC | C25 | Sierra Grande |
| 1975-1978 | GMC | C25 Suburban | Base |
| 1975-1978 | GMC | C25 Suburban | High Sierra |
| 1975-1978 | GMC | C25 Suburban | Sierra Classic |
| 1975-1978 | GMC | C25 Suburban | Sierra Grande |
| 1970-1974 | GMC | C25/C2500 Pickup | Base |
| 1970-1974 | GMC | C25/C2500 Suburban | Base |
| 1979-1986 | GMC | C2500 | Base |
| 1979-1986 | GMC | C2500 | High Sierra |
NGK Iridium IX spark plugs are specifically designed for the performance enthusiast. Iridium IX provides outstanding acceleration, high fuel efficiency and durability. NGK Iridium IX plugs offer extreme ignitability and exceptional anti-fouling. Tapered cut ground electrode provides improved starting, idling and throttle response. The Iridium fine wire center electrode's durability is six times harder than platinum. Iridium alloy's extremely high melting point is perfect for today's engines. For even greater performance consider upgrading to an NGK Ruthenium HX plug.
This Part Fits:
| Year | Make | Model | Submodel |
|---|---|---|---|
| 1973-1974 | Buick | Apollo | Base |
| 1970,1972-1974 | Chevrolet | Bel Air | Base |
| 1970,1972 | Chevrolet | Biscayne | Base |
| 1970-1974 | Chevrolet | Blazer | Base |
| 1972 | Chevrolet | Brookwood | Base |
| 1978-1980 | Chevrolet | C10 | Big Ten |
| 1975-1980 | Chevrolet | C10 | Cheyenne |
| 1982-1983,1985-1986 | Chevrolet | C10 | Custom |
| 1975-1980 | Chevrolet | C10 | Custom Deluxe |
| 1975-1980,1982-1983,1985-1986 | Chevrolet | C10 | Scottsdale |
| 1975-1980,1982-1983,1985-1986 | Chevrolet | C10 | Silverado |
| 1970-1974 | Chevrolet | C10 Pickup | Base |
| 1970-1974 | Chevrolet | C10 Suburban | Base |
| 1981,1985-1986 | Chevrolet | C10 Suburban | Custom |
| 1975-1980 | Chevrolet | C10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C10 Suburban | Deluxe |
| 1975-1980,1985-1986 | Chevrolet | C10 Suburban | Scottsdale |
| 1975-1980,1985-1986 | Chevrolet | C10 Suburban | Silverado |
| 1975-1981 | Chevrolet | C20 | Cheyenne |
| 1981-1986 | Chevrolet | C20 | Custom |
| 1975-1980 | Chevrolet | C20 | Custom Deluxe |
| 1981 | Chevrolet | C20 | Deluxe |
| 1975-1986 | Chevrolet | C20 | Scottsdale |
| 1975-1986 | Chevrolet | C20 | Silverado |
| 1970-1974 | Chevrolet | C20 Pickup | Base |
| 1970-1974 | Chevrolet | C20 Suburban | Base |
| 1981-1986 | Chevrolet | C20 Suburban | Custom |
| 1975-1980 | Chevrolet | C20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | C20 Suburban | Deluxe |
| 1975-1980,1982,1984-1986 | Chevrolet | C20 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1986 | Chevrolet | C20 Suburban | Silverado |
| 1975-1981 | Chevrolet | C30 | Cheyenne |
| 1981-1986 | Chevrolet | C30 | Custom |
| 1975-1980 | Chevrolet | C30 | Custom Deluxe |
| 1981 | Chevrolet | C30 | Deluxe |
| 1975-1986 | Chevrolet | C30 | Scottsdale |
| 1975-1986 | Chevrolet | C30 | Silverado |
| 1970-1974 | Chevrolet | C30 Pickup | Base |
| 1970,1972-1974 | Chevrolet | Camaro | Base |
| 1973-1974 | Chevrolet | Camaro | LT |
| 1970,1972-1973 | Chevrolet | Camaro | RS |
| 1970,1972 | Chevrolet | Camaro | SS |
| 1972-1974 | Chevrolet | Camaro | Z28 |
| 1970,1972 | Chevrolet | Caprice | Base |
| 1973-1974 | Chevrolet | Caprice | Classic |
| 1973-1974 | Chevrolet | Caprice | Estate |
| 1970-1972 | Chevrolet | Chevelle | Base |
| 1970-1972 | Chevrolet | Chevelle | Concours |
| 1970-1972 | Chevrolet | Chevelle | Concours Estate |
| 1973 | Chevrolet | Chevelle | Deluxe |
| 1970-1972 | Chevrolet | Chevelle | Greenbrier |
| 1973 | Chevrolet | Chevelle | Laguna |
| 1973 | Chevrolet | Chevelle | Laguna Estate |
| 1974-1975 | Chevrolet | Chevelle | Laguna Type S-3 |
| 1970-1974 | Chevrolet | Chevelle | Malibu |
| 1974 | Chevrolet | Chevelle | Malibu Classic |
| 1974 | Chevrolet | Chevelle | Malibu Classic Estate |
| 1973 | Chevrolet | Chevelle | Malibu Estate |
| 1970-1972 | Chevrolet | Chevelle | Nomad |
| 1971-1972 | Chevrolet | Chevelle | SS |
| 1970 | Chevrolet | Chevelle | SS 396 |
| 1970,1972-1974 | Chevrolet | Corvette | Base |
| 1970-1974,1976-1979 | Chevrolet | El Camino | Base |
| 1976-1977 | Chevrolet | El Camino | Classic |
| 1977-1978 | Chevrolet | El Camino | Conquista |
| 1969-1974 | Chevrolet | El Camino | Custom |
| 1979 | Chevrolet | El Camino | Royal Knight |
| 1970-1974,1976-1979 | Chevrolet | El Camino | SS |
| 1975-1980 | Chevrolet | G10 | Beauville |
| 1975-1980 | Chevrolet | G10 | Chevy Van |
| 1975-1983 | Chevrolet | G10 | Sportvan |
| 1970,1972-1974 | Chevrolet | G10 Van | Base |
| 1970,1972-1974 | Chevrolet | G10 Van | Sportvan |
| 1975-1982,1984-1986 | Chevrolet | G20 | Beauville |
| 1984 | Chevrolet | G20 | Bonaventure |
| 1975-1982,1984-1986 | Chevrolet | G20 | Chevy Van |
| 1978-1981 | Chevrolet | G20 | Nomad |
| 1975-1986 | Chevrolet | G20 | Sportvan |
| 1970-1974 | Chevrolet | G20 Van | Base |
| 1970-1974 | Chevrolet | G20 Van | Sportvan |
| 1975-1988 | Chevrolet | G30 | Beauville |
| 1983-1984 | Chevrolet | G30 | Bonaventure |
| 1975-1988 | Chevrolet | G30 | Chevy Van |
| 1975-1988 | Chevrolet | G30 | Hi-Cube |
| 1975-1986 | Chevrolet | G30 | Sportvan |
| 1971-1974 | Chevrolet | G30 Van | Base |
| 1972-1974 | Chevrolet | G30 Van | Sportvan |
| 1970,1972-1974 | Chevrolet | Impala | Base |
| 1975-1981 | Chevrolet | K10 | Cheyenne |
| 1981-1986 | Chevrolet | K10 | Custom |
| 1975-1980 | Chevrolet | K10 | Custom Deluxe |
| 1981 | Chevrolet | K10 | Deluxe |
| 1975-1986 | Chevrolet | K10 | Scottsdale |
| 1975-1986 | Chevrolet | K10 | Silverado |
| 1970-1974 | Chevrolet | K10 Pickup | Base |
| 1970-1974 | Chevrolet | K10 Suburban | Base |
| 1981-1983,1985-1986 | Chevrolet | K10 Suburban | Custom |
| 1975-1980 | Chevrolet | K10 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K10 Suburban | Deluxe |
| 1975-1980,1982,1985-1986 | Chevrolet | K10 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1983,1985-1986 | Chevrolet | K10 Suburban | Silverado |
| 1975-1981 | Chevrolet | K20 | Cheyenne |
| 1981-1986 | Chevrolet | K20 | Custom |
| 1975-1980 | Chevrolet | K20 | Custom Deluxe |
| 1981 | Chevrolet | K20 | Deluxe |
| 1975-1986 | Chevrolet | K20 | Scottsdale |
| 1975-1983,1985-1986 | Chevrolet | K20 | Silverado |
| 1970-1974 | Chevrolet | K20 Pickup | Base |
| 1970-1974 | Chevrolet | K20 Suburban | Base |
| 1981-1986 | Chevrolet | K20 Suburban | Custom |
| 1975-1980 | Chevrolet | K20 Suburban | Custom Deluxe |
| 1981 | Chevrolet | K20 Suburban | Deluxe |
| 1975-1980,1982,1984-1986 | Chevrolet | K20 Suburban | Scottsdale |
| 1975-1977,1979-1980,1982-1983,1985-1986 | Chevrolet | K20 Suburban | Silverado |
| 1977-1981 | Chevrolet | K30 | Cheyenne |
| 1981-1986 | Chevrolet | K30 | Custom |
| 1977-1980 | Chevrolet | K30 | Custom Deluxe |
| 1981 | Chevrolet | K30 | Deluxe |
| 1977-1986 | Chevrolet | K30 | Scottsdale |
| 1977-1986 | Chevrolet | K30 | Silverado |
| 1970-1974 | Chevrolet | K30 Pickup | Base |
| 1976 | Chevrolet | K5 Blazer | Base |
| 1975-1980 | Chevrolet | K5 Blazer | Cheyenne |
| 1981 | Chevrolet | K5 Blazer | Custom |
| 1975,1977-1980 | Chevrolet | K5 Blazer | Custom Deluxe |
| 1981 | Chevrolet | K5 Blazer | Deluxe |
| 1978,1980-1981 | Chevrolet | K5 Blazer | Silverado |
| 1972 | Chevrolet | Kingswood | Base |
| 1972 | Chevrolet | Kingswood | Estate |
| 1970-1974 | Chevrolet | Monte Carlo | Base |
| 1973-1974 | Chevrolet | Monte Carlo | Landau |
| 1973 | Chevrolet | Monte Carlo | S |
| 1970,1972-1974 | Chevrolet | Nova | Base |
| 1973-1974 | Chevrolet | Nova | Custom |
| 1975-1980 | Chevrolet | P10 | Base |
| 1975-1980 | Chevrolet | P10 | Step-Van |
| 1970,1972-1974 | Chevrolet | P10 Van | Base |
| 1975-1989 | Chevrolet | P20 | Base |
| 1975-1985,1987-1989 | Chevrolet | P20 | Step-Van |
| 1970-1974 | Chevrolet | P20 Van | Base |
| 1975-1989 | Chevrolet | P30 | Base |
| 1975-1985,1987-1989 | Chevrolet | P30 | Step-Van |
| 1970-1974 | Chevrolet | P30 Van | Base |
| 1988 | Chevrolet | R20 | Cheyenne |
| 1987-1988 | Chevrolet | R20 | Custom Deluxe |
| 1987-1988 | Chevrolet | R20 | Scottsdale |
| 1987-1988 | Chevrolet | R20 | Silverado |
| 1988 | Chevrolet | R30 | Cheyenne |
| 1987-1988 | Chevrolet | R30 | Custom Deluxe |
| 1987-1988 | Chevrolet | R30 | Scottsdale |
| 1987-1988 | Chevrolet | R30 | Silverado |
| 1989 | Chevrolet | R3500 | Cheyenne |
| 1989 | Chevrolet | R3500 | Scottsdale |
| 1989 | Chevrolet | R3500 | Silverado |
| 1970,1972 | Chevrolet | Townsman | Base |
| 1987 | Chevrolet | V20 | Custom Deluxe |
| 1987 | Chevrolet | V20 | Scottsdale |
| 1987 | Chevrolet | V20 | Silverado |
| 1988 | Chevrolet | V30 | Cheyenne |
| 1987-1988 | Chevrolet | V30 | Custom Deluxe |
| 1987-1988 | Chevrolet | V30 | Scottsdale |
| 1987-1988 | Chevrolet | V30 | Silverado |
| 1989 | Chevrolet | V3500 | Cheyenne |
| 1989 | Chevrolet | V3500 | Scottsdale |
| 1989 | Chevrolet | V3500 | Silverado |
| 1975-1978 | GMC | C15 | Base |
| 1977-1978 | GMC | C15 | Heavy Half |
| 1975-1978 | GMC | C15 | High Sierra |
| 1977 | GMC | C15 | Indy Hauler |
| 1975-1978 | GMC | C15 | Sierra Classic |
| 1975-1978 | GMC | C15 | Sierra Grande |
| 1978 | GMC | C15 | Street Coupe |
| 1975-1978 | GMC | C15 Suburban | Base |
| 1975-1978 | GMC | C15 Suburban | High Sierra |
| 1975-1978 | GMC | C15 Suburban | Sierra Classic |
| 1975-1978 | GMC | C15 Suburban | Sierra Grande |
| 1970-1974 | GMC | C15/C1500 Pickup | Base |
| 1970-1974 | GMC | C15/C1500 Suburban | Base |
| 1979-1983,1985-1986 | GMC | C1500 | Base |
| 1979-1980 | GMC | C1500 | Heavy Half |
| 1979-1983,1985-1986 | GMC | C1500 | High Sierra |
| 1979-1983,1985-1986 | GMC | C1500 | Sierra Classic |
| 1979-1982 | GMC | C1500 | Sierra Grande |
| 1979-1982 | GMC | C1500 | Street Coupe |
| 1979-1983,1985-1986 | GMC | C1500 Suburban | Base |
| 1979-1983,1985-1986 | GMC | C1500 Suburban | High Sierra |
| 1979-1983,1985-1986 | GMC | C1500 Suburban | Sierra Classic |
| 1979-1982 | GMC | C1500 Suburban | Sierra Grande |
| 1975-1978 | GMC | C25 | Base |
| 1975-1978 | GMC | C25 | High Sierra |
| 1975-1978 | GMC | C25 | Sierra Classic |
| 1975-1978 | GMC | C25 | Sierra Grande |
| 1975-1978 | GMC | C25 Suburban | Base |
| 1975-1978 | GMC | C25 Suburban | High Sierra |
| 1975-1978 | GMC | C25 Suburban | Sierra Classic |
| 1975-1978 | GMC | C25 Suburban | Sierra Grande |
| 1970-1974 | GMC | C25/C2500 Pickup | Base |
| 1970-1974 | GMC | C25/C2500 Suburban | Base |
| 1979-1986 | GMC | C2500 | Base |
| 1979-1986 | GMC | C2500 | High Sierra |
