# NGK Iridium BKR4EIX Spark Plugs 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 1991 Buick Skylark Base 1988-1994 Buick Skylark Custom 1990-1991 Buick Skylark Gran Sport 1988-1989,1993-1994 Buick Skylark Limited 1990-1991 Buick Skylark Luxury Edition 1990-1991 Chevrolet Beretta GTZ 1990 Chevrolet Beretta Indianapolis 500 Pace Car 1987-1990 Chevrolet Camaro Iroc-Z 1991-1992 Chevrolet Camaro Z28 1992 Chevrolet Camaro Z28 Heritage Edition 1988 Chevrolet Corvette 35th Anniversary Edition 1986-1991 Chevrolet Corvette Base 1986 Chevrolet Corvette Indianapolis 500 Pace Car 1992-1994 Dodge B150 Base 1995-1996 Dodge B1500 Base 1992-1994 Dodge B250 Base 1995-1997 Dodge B2500 Base 1992-1994 Dodge B350 Base 1995-1997 Dodge B3500 Base 1992-1993 Dodge D150 Base 1992-1993 Dodge D250 Base 1993 Dodge D350 Base 1992-1996 Dodge Dakota Base 1992-1993 Dodge Dakota LE 1992 Dodge Dakota S 1994-1996 Dodge Dakota SLT 1992-1996 Dodge Dakota Sport 1994-1996 Dodge Dakota WS 1994-1996 Dodge Ram 1500 Base 1997 Dodge Ram 1500 Laramie 1997 Dodge Ram 1500 LT 1997 Dodge Ram 1500 Sport 1997 Dodge Ram 1500 SS/T 5.9L 1997 Dodge Ram 1500 ST 1994-1997 Dodge Ram 2500 Base 1997 Dodge Ram 3500 Base 1992-1993 Dodge Ramcharger Base 1992-1993 Dodge Ramcharger Canyon Sport 1992-1993 Dodge Ramcharger Royal SE 1992-1993 Dodge W150 Base 1992-1993 Dodge W250 Base 1993 Dodge W350 Base 1982 Ford F-100 Custom 1982 Ford F-100 XL 1982 Ford F-100 XLS 1982 Ford F-100 XLT Lariat 1982 Ford Granada GL 1982 Ford Granada GLX 1982 Ford Granada L 1982 Ford Thunderbird Base 1982 Ford Thunderbird Heritage 1982 Ford Thunderbird Town Landau 1993 Jeep Grand Cherokee Base 1993-1996 Jeep Grand Cherokee Laredo 1993-1996 Jeep Grand Cherokee Limited 1995 Jeep Grand Cherokee Orvis 1994-1995 Jeep Grand Cherokee SE 1993 Jeep Grand Wagoneer Base 2008-2018 Kubota RTV500 4x4 Base 1982 Lincoln Continental Base 1982 Lincoln Continental Givenchy 1982 Lincoln Continental Signature 1982 Mercury Cougar Base 1982 Mercury Cougar GS 1982 Mercury Cougar LS 1982 Mercury Cougar XR-7 1992-1994 Oldsmobile Achieva S 1992,1994 Oldsmobile Achieva SC 1992-1994 Oldsmobile Achieva SL 1987 Oldsmobile Calais Base 1987 Oldsmobile Calais GT 1988,1991 Oldsmobile Cutlass Calais Base 1988,1991 Oldsmobile Cutlass Calais GT 1988-1991 Oldsmobile Cutlass Calais International 1989-1991 Oldsmobile Cutlass Calais S 1988-1991 Oldsmobile Cutlass Calais SL 1990-1991 Oldsmobile Cutlass Supreme Base 1990 Oldsmobile Cutlass Supreme International 1987 Pontiac Firebird Base 1987 Pontiac Firebird Trans Am 1988 Pontiac Grand Am Base 1992-1994 Pontiac Grand Am GT 1988-1991 Pontiac Grand Am LE 1988-1994 Pontiac Grand Am SE 1990-1991 Pontiac Grand Prix LE 1991 Pontiac Grand Prix SE 1993-1995 Rolls-Royce Corniche IV Base 1995 Rolls-Royce Corniche S Base 1995 Rolls-Royce Flying Spur Base 1992 Rolls-Royce Silver Spirit Base 1993 Rolls-Royce Silver Spirit II 1994-1995 Rolls-Royce Silver Spirit III 1992,1996-1998 Rolls-Royce Silver Spur Base 1993 Rolls-Royce Silver Spur II 1994-1995 Rolls-Royce Silver Spur III 1998 Rolls-Royce Silver Spur Park Ward 1994 Rolls-Royce Touring Limousine Base 1993-2002 Saturn SC1 Base 1991-2002 Saturn SL Base 1991-2002 Saturn SL1 Base 1993-1999 Saturn SW1 Base ## 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-iridium-bkr4eix-spark-plugs) > Updated: 2026-06-27