# NGK IX Iridium Spark Plug Box of 4 (UR5IX) 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. - RECOMMENDED USAGE: Modified or high performance applications, or as an upgrade to OE nickel alloy spark plugs - Trivalent metal plating for superior anti-corrosion and anti-seizing properties - Outstanding acceleration, high fuel efficiency and durability - Fine iridium tip ensures durable and consistent spark This Part Fits: Year Make Model Submodel 1995-1996 AM General Hummer Base 1986 Buick Century Custom 1986 Buick Century Estate Wagon 1986 Buick Century Limited 1992-1993 Buick Commercial Chassis Base 1992-1993 Buick Roadmaster Base 1992-1993 Buick Roadmaster Estate Wagon 1992-1993 Buick Roadmaster Limited 1982-1986 Buick Skyhawk Custom 1982-1986 Buick Skyhawk Limited 1986 Buick Skyhawk Sport 1980-1982 Buick Skylark Base 1983-1985 Buick Skylark Custom 1980-1985 Buick Skylark Limited 1980-1983 Buick Skylark Sport 1983-1984 Buick Skylark T-Type 1990-1992 Cadillac Brougham Base 1990-1992 Cadillac Brougham d'Elegance 1982-1986 Cadillac Cimarron Base 1984-1986 Cadillac Cimarron d'Oro 1992 Cadillac Commercial Chassis Brougham 1985-1995 Chevrolet Astro Base 1985-1995 Chevrolet Astro CL 1985-1995 Chevrolet Astro CS 1987-1995 Chevrolet Astro LT 1971 Chevrolet Bel Air Base 1971 Chevrolet Biscayne Base 1994-1995 Chevrolet Blazer Base 1992-1993 Chevrolet Blazer Cheyenne 1987 Chevrolet Blazer Custom Deluxe 1995 Chevrolet Blazer LT 1988-1991 Chevrolet Blazer Scottsdale 1987-1994 Chevrolet Blazer Silverado 1994 Chevrolet Blazer Silverado Sport 1984-1986 Chevrolet C10 Custom 1984-1986 Chevrolet C10 Scottsdale 1984-1986 Chevrolet C10 Silverado 1984-1986 Chevrolet C10 Suburban Custom 1984-1986 Chevrolet C10 Suburban Scottsdale 1984-1986 Chevrolet C10 Suburban Silverado 1990-1993 Chevrolet C1500 454 SS 1994-1995 Chevrolet C1500 Base 1988-1995 Chevrolet C1500 Cheyenne 1988-1992 Chevrolet C1500 Scottsdale 1988-1995 Chevrolet C1500 Silverado 1990-1995 Chevrolet C1500 WT 1992-1995 Chevrolet C1500 Suburban Base 1995 Chevrolet C1500 Suburban LS 1995 Chevrolet C1500 Suburban LT 1992-1994 Chevrolet C1500 Suburban Silverado 1985-1986 Chevrolet C20 Custom 1985-1986 Chevrolet C20 Scottsdale 1985-1986 Chevrolet C20 Silverado 1984-1986 Chevrolet C20 Suburban Custom 1984-1986 Chevrolet C20 Suburban Scottsdale 1984-1986 Chevrolet C20 Suburban Silverado 1994-1995 Chevrolet C2500 Base 1988-1995 Chevrolet C2500 Cheyenne 1988-1992 Chevrolet C2500 Scottsdale 1988-1995 Chevrolet C2500 Silverado 1994-1995 Chevrolet C2500 WT 1992-1995 Chevrolet C2500 Suburban Base 1995 Chevrolet C2500 Suburban LS 1995 Chevrolet C2500 Suburban LT 1992-1994 Chevrolet C2500 Suburban Silverado 1994-1995 Chevrolet C3500 Base 1988-1995 Chevrolet C3500 Cheyenne 1988-1992 Chevrolet C3500 Scottsdale 1988-1995 Chevrolet C3500 Silverado 1988,1993-1995 Chevrolet Camaro Base 1982-1986 Chevrolet Camaro Berlinetta 1985-1987 Chevrolet Camaro Iroc-Z 1987 Chevrolet Camaro LT 1989-1992 Chevrolet Camaro RS 1992 Chevrolet Camaro RS Heritage Edition 1982-1987 Chevrolet Camaro Sport 1985-1987 Chevrolet Camaro Z28 1971,1989-1992 Chevrolet Caprice Base 1991-1993 Chevrolet Caprice Classic 1991-1993 Chevrolet Caprice Classic LTZ 1982-1986 Chevrolet Cavalier Base 1982 Chevrolet Cavalier Cadet 1982-1986 Chevrolet Cavalier CL 1983-1986 Chevrolet Cavalier CS 1984 Chevrolet Cavalier Olympic 1986 Chevrolet Cavalier RS 1984-1985 Chevrolet Cavalier Type-10 1986 Chevrolet Cavalier Z24 1982-1986 Chevrolet Celebrity Base 1982-1983 Chevrolet Celebrity CL 1985 Chevrolet Celebrity Classic 1982 Chevrolet Celebrity CS 1985-1986 Chevrolet Celebrity Estate 1984-1986 Chevrolet Celebrity Eurosport 1976-1985 Chevrolet Chevette Base 1984-1987 Chevrolet Chevette CS 1977 Chevrolet Chevette Rally Sport 1976 Chevrolet Chevette Rallye 1983 Chevrolet Chevette S 1977 Chevrolet Chevette Sandpiper 1976-1983 Chevrolet Chevette Scooter 1976 Chevrolet Chevette Sport 1976 Chevrolet Chevette Woody 1980-1983 Chevrolet Citation Base 1980 Chevrolet Citation Club 1980 Chevrolet Citation Custom 1980-1983 Chevrolet Citation X-11 1984-1985 Chevrolet Citation II Base 1984-1985 Chevrolet Citation II X-11 1971,1985-1987 Chevrolet Corvette Base 1986 Chevrolet Corvette Indianapolis 500 Pace Car 1971,1986 Chevrolet El Camino Base 1986 Chevrolet El Camino Conquista 1971 Chevrolet El Camino Custom 1971,1986 Chevrolet El Camino SS 1984-1995 Chevrolet G10 Beauville 1984,1986-1987 Chevrolet G10 Bonaventure 1984-1995 Chevrolet G10 Chevy Van 1984-1995 Chevrolet G10 Sportvan 1984-1995 Chevrolet G20 Beauville 1984 Chevrolet G20 Bonaventure 1984-1995 Chevrolet G20 Chevy Van 1984-1995 Chevrolet G20 Sportvan 1985-1996 Chevrolet G30 Beauville 1985-1996 Chevrolet G30 Chevy Van 1985-1996 Chevrolet G30 Hi-Cube 1984-1996 Chevrolet G30 Sportvan 1985-1986 Chevrolet K10 Custom 1985-1986 Chevrolet K10 Scottsdale 1985-1986 Chevrolet K10 Silverado 1984-1986 Chevrolet K10 Suburban Custom 1984-1986 Chevrolet K10 Suburban Scottsdale 1985-1986 Chevrolet K10 Suburban Silverado 1994-1995 Chevrolet K1500 Base 1988-1995 Chevrolet K1500 Cheyenne 1988-1992 Chevrolet K1500 Scottsdale 1988-1995 Chevrolet K1500 Silverado 1991 Chevrolet K1500 Sport 1990-1995 Chevrolet K1500 WT 1992-1995 Chevrolet K1500 Suburban Base 1995 Chevrolet K1500 Suburban LS 1995 Chevrolet K1500 Suburban LT 1992-1994 Chevrolet K1500 Suburban Silverado 1985-1986 Chevrolet K20 Custom 1985-1986 Chevrolet K20 Scottsdale 1985-1986 Chevrolet K20 Silverado 1984-1986 Chevrolet K20 Suburban Custom 1984-1986 Chevrolet K20 Suburban Scottsdale 1985-1986 Chevrolet K20 Suburban Silverado 1994-1995 Chevrolet K2500 Base 1988-1995 Chevrolet K2500 Cheyenne 1988-1992 Chevrolet K2500 Scottsdale 1988-1995 Chevrolet K2500 Silverado 1994-1995 Chevrolet K2500 WT 1992-1995 Chevrolet K2500 Suburban Base 1995 Chevrolet K2500 Suburban LS 1995 Chevrolet K2500 Suburban LT 1992-1994 Chevrolet K2500 Suburban Silverado 1985 Chevrolet K30 Custom 1985 Chevrolet K30 Scottsdale 1985 Chevrolet K30 Silverado 1994-1995 Chevrolet K3500 Base 1988-1995 Chevrolet K3500 Cheyenne 1988-1992 Chevrolet K3500 Scottsdale 1988-1995 Chevrolet K3500 Silverado 1984-1986 Chevrolet K5 Blazer Custom 1984 Chevrolet K5 Blazer Scottsdale 1984-1986 Chevrolet K5 Blazer Silverado 1990-1995 Chevrolet Lumina APV Base 1990-1992 Chevrolet Lumina APV CL 1993-1995 Chevrolet Lumina APV LS 1971,1986 Chevrolet Monte Carlo Base 1986 Chevrolet Monte Carlo LS 1985-1986 Chevrolet Monte Carlo SS 1976-1977 Chevrolet Monza 2+2 1976-1977 Chevrolet Monza 2+2 Spyder 1976 Chevrolet Monza Base 1977 Chevrolet Monza Mirage 1976-1977 Chevrolet Monza Towne Coupe 1976-1977 Chevrolet Monza Towne Coupe Cabriolet 1976-1977 Chevrolet Monza Towne Coupe Sport 1976 Chevrolet Monza Towne Coupe Spyder 1987-1989 Chevrolet P20 Base 1987-1989 Chevrolet P20 Step-Van 1987-1997 Chevrolet P30 Base 1987-1990 Chevrolet P30 Step-Van 1987 Chevrolet R10 Custom Deluxe 1987 Chevrolet R10 Scottsdale 1987 Chevrolet R10 Silverado 1987 Chevrolet R10 Suburban Custom Deluxe 1987-1988 Chevrolet R10 Suburban Scottsdale 1987-1988 Chevrolet R10 Suburban Silverado 1989-1991 Chevrolet R1500 Suburban Scottsdale 1989-1991 Chevrolet R1500 Suburban Silverado 1988 Chevrolet R20 Cheyenne 1987-1988 Chevrolet R20 Custom Deluxe 1987-1988 Chevrolet R20 Scottsdale 1987-1988 Chevrolet R20 Silverado 1987 Chevrolet R20 Suburban Custom Deluxe 1987-1988 Chevrolet R20 Suburban Scottsdale ## Details - **Price:** 74.61 CAD - **Vendor:** NGK - **Type:** Spark Plugs ## Variants | Variant | Price | Available | |---------|-------|-----------| | Default Title | 74.61 CAD | In stock | ## Images - Photo - Primary - Photo - Primary - Photo - out of package - Photo - out of package --- > Source: [Standard Auto Part](https://www.standardautopart.com/products/ngk-ix-iridium-spark-plug-box-of-4-ur5ix) > Updated: 2026-06-28