Top 7 Irridium Spark Plug – Automotive Replacement Spark Plugs

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1. Champion

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Champion Champion Iridium 9407 Spark Plug Carton of 1

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Champion #ad - Fine-wire center electrode and V-trimmed for greater ignitability. Champion iridium - Maximum Performance. Maintains stable operating temperature under all engine loads. V-trimmed ground electrode promotes sharper spark focus. Iridium center electrode delivers maximum life. Premium Spark Plug.
BrandChampion #ad
ManufacturerFederal Mogul #ad
Height1 Inches
Length4 Inches
Weight0.05 Pounds
Width3.9 Inches
Part Number9407
Model9407
Warranty7 Year Unlimited Mileage Guarantee Or The Manufacturer Recommended Change Interval Whichever Comes -- Last Excludes Commercial Or Performance Usage.

2. BOSCH

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TSX, TL, RSX, Honda Civic, Honda Accord, Up to 4X Longer Life 4 Pk Acura CSX, Acura: MDX, Honda CR-V, Honda Fit, RL, Honda Element, Bosch9614Double Iridium OE Replacement Spark Plug

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BOSCH #ad - 360 degree continuous laser weld fuses corrosion resistant iridium firing pin to base for increased durability. 07-10 acura csx, 03-07 honda accord, 02-11 honda civic, 02-06 acura rsx, 04-08 acura tsx, 02-09 honda cr-v, 04-08 acura tl, 03-11 honda element, 07-09 Acura MDX, 05-08 Acura RL, 14 Honda Fit.

06mm fine wire firing pin provides superior ignitability and performance. Original equipment, pre-gapped replacement delivering optimum fit, form and function. Double iridium firing pin and ground electrode inlay provide 4X longer service life compared to standard copper plugs. 7 year performance satisfaction.
BrandBOSCH #ad
ManufacturerBosch #ad
Weight0.43 Pounds
Part Number9614
Model9614

3. Pindex

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4 Pcs Spark Plug Laser Iridium ITR6F13 # 4477

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Pindex #ad - Faster starts and quicker acceleration, Platinum disc welded to backside of ground electrode provides long life. In strict accordance with industry standards, pack of 4, 2 Years&40000 Miles Warranty. Laser welded iridium center electrode tip ensures high durability and greater spark. Oe number: itr6f13 4477; spark plug material: iridium; thread length: 17. 5mm; thread diameter: 14mm; wrench size: 16mm; Installation torque: 10-20N. M. Better fuel economy and lower emissions.
BrandPindex #ad
ManufacturerPindex #ad
Part Number10208016

4. NGK

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NGK 5464 BKR5EIX-11 Iridium IX Spark Plug, Pack of 4

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NGK #ad - Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines. Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage.

Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. Trivalent metal plating provides superior anti-corrosion and anti-seizing properties; Part number of spark plug inside the box: BKR5EIX-11. The 06 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect.
BrandNGK #ad
ManufacturerNGK #ad
Height0.7 Inches
Length3.4 Inches
Weight0.1 Pounds
Width0.8 Inches
Part Number5464
Model5464-4PK
WarrantyLimited Warranty

5. NGK

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4 Pack, NGK LKAR7BIX-11S Iridium IX Spark Plug 93501 Iridium Ix

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NGK #ad - Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling.

Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines. The 06 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Trivalent metal Plating provides superior anti-corrosion and anti-seizing properties.
BrandNGK #ad
ManufacturerNGK #ad
Weight0.09 Pounds
Part NumberLKAR7BIX-11S
ModelLKAR7BIX-11S

6. NGK

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4 Pack, NGK LKR7DIX-11S Iridium IX Spark Plug 93175 Iridium Ix

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NGK #ad - Resistor Value-5K Ohm. Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage.

Hex size-5/8 inch. Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti-fouling. The 06 millimeter laser welded fine Iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical quenching effect. Trivalent metal plating provides superior anti-corrosion and anti-seizing properties. Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high performance engines.
BrandNGK #ad
ManufacturerNGK #ad
Weight0.4 Pounds
Part NumberLKR7DIX-11S
ModelLKR7DIX-11S

7. NGK

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NGK 8196 DCPR6EIX Iridium IX Spark Plug, Pack of 4

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NGK #ad - Iridium alloy has extremely high melting point, giving it high durability to heat and electrical wear, perfect for today's high-performance engines.

Trivalent metal Plating - superior anti-corrosion and anti-seizing properties. Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage. Designed specifically for the performance enthusiast, Iridium IX offers extreme ignitability, improved throttle response and superior anti fouling. The 06mm laser welded fine iridium tip ensures high durability and a consistently stable spark and the tapered ground electrode minimizes electrical Quenching Effect.
BrandNGK #ad
ManufacturerNGK #ad
Height0.9 Inches
Length4 Inches
Weight0.35 Pounds
Width3.5 Inches
Part Number8196
Model8196-4PK