Top 7 Spark Plugs Iridium Spark Plugs – Automotive Replacement Spark Plugs

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1. NGK

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

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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; part number of spark plug inside the box: BKR5EIX-11. 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 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
Height0.96 Inches
Length3.62 Inches
Weight0.1 Pounds
Width5.76 Inches
Part Number5464
Model5464-4PK
WarrantyLimited Warranty

2. NGK

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NGK # 6509 Iridium Spark Plug LTR6IX-11, 6 PCSNEW

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NGK #ad - Free shipping to anywhere in usA and territories For This Item. Better Performance. Good brand Name NGK. Iridium. 1order = 6 Pieces.
BrandNGK #ad
ManufacturerNGK #ad
Height4.98 Inches
Length3.7 Inches
Weight0.65 Pounds
Width0.94 Inches
Part Number6509
ModelLTR6IX-11

3. Autolite

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Pack of 4, Autolite XP5702-4PK Iridium XP Spark Plug

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Autolite #ad - Platinum protected ground wire for maximum efficiency in all ignition types. Better overall ignitability and optimum performance. V-trimmed ground electrode for improved ignitability. Limited lifetime warranty. Iridium-enhanced 06mm finewire design for optimal durability and performance.
BrandAutolite #ad
ManufacturerFRAM #ad
Part NumberXP5702
ModelXP5702-4PK
WarrantyLifetime Limited Warranty

4. NGK

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Pack of 4, NGK 5787 ILZKR7B-11S Laser Iridium Spark Plug

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NGK #ad - Increase visibility during heavy rain, snow, fog and night time driving. Faster starts and quicker acceleration. Longer insulator nose prevents fouling, Corrugated ribs on insulator prevents flashover, and the triple gasket seal eliminates combustion gas leakage. Platinum disc welded to backside of ground electrode provides long life.
BrandNGK #ad
ManufacturerNGK #ad
Height0.94 Inches
Length0.83 Inches
Weight0.1 Pounds
Width3.7 Inches
Part Number5787
Model5787-4PK

5. NGK

#ad

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

#ad
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.

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. 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. Longer insulator nose prevents fouling, the corrugated ribs on insulator prevents flashover, and a triple gasket seal eliminates combustion gas leakage.
BrandNGK #ad
ManufacturerNGK #ad
Weight0.01 Pounds
Part NumberLKAR7BIX-11S
ModelLKAR7BIX-11S

6. Autolite

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Autolite XP3923-4PK Iridium XP Spark Plug, Pack of 4

#ad
Autolite #ad - Better overall ignitability and optimum performance. Platinum protected ground wire for maximum efficiency in all ignition types. V-trimmed ground electrode for improved ignitability. Limited lifetime warranty. Iridium-enhanced 06mm finewire design for optimal durability and performance.
BrandAutolite #ad
ManufacturerFRAM #ad
Part NumberXP3923
ModelXP3923-4PK
WarrantyLifetime Limited Warranty

7. NGK

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4 PCS NEW, NGK # 6418 Iridium Spark Plugs BKR6EIX

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NGK #ad - Iridium. Better Performance. Free shipping to anywhere in usA and territories For This Item. 1order = 4 Pieces. Good brand Name NGK.
BrandNGK #ad
ManufacturerNGK #ad
Weight0 Pounds
Part Number6418
ModelBKR6EIX