Spark Plugs - Iridium Electrode Tip Material - Free Shipping on Orders Over $109 at Summit Racing

Autolite Iridium XP Enhanced Alloy Technology Spark Plugs XP5143

Spark Plug, Iridium XP, Iridium, 14mm Thread, 0.809 in. Reach, Tapered Seat, 16mm Wrench Size, Each

Part Number: ATL-XP5143

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Autolite Iridium XP Enhanced Alloy Technology Spark Plugs XP666

Spark Plug, Iridium XP, Iridium, 14mm Thread, 0.433 in. Reach, Tapered Seat, 16mm Wrench Size, Each

Part Number: ATL-XP666

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Autolite Iridium XP Enhanced Alloy Technology Spark Plugs XP646

Spark Plug, Iridium XP, Iridium, 14mm Thread, 0.750 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-XP646

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Autolite Iridium XP Enhanced Alloy Technology Spark Plugs XP5145

Spark Plug, Iridium XP, Iridium, 14mm Thread, 0.809 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-XP5145

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Autolite Iridium XP Enhanced Alloy Technology Spark Plugs XP5224

Spark Plug, Iridium XP, Iridium, 14mm Thread, 0.750 in. Reach, Flat Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-XP5224

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

ACDelco GM Genuine Parts Iridium Spark Plugs 12681655

Spark Plug, Iridium Tip, Copper Core, Gasket Seat, 16mm Wrench Diameter, One Ground Strap, 0.748 in. Reach, Each

Part Number: ADO-41-122

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Estimated Ship Date: Sep 3, 2025 if ordered today

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Estimated Ship Date: Sep 3, 2025 if ordered today

Autolite XS Xtreme Sport Spark Plugs XS3924DP

Spark Plug, XS Xtreme Sport, Iridium, 14mm Thread, 0.750 in. Reach, Flat Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-XS3924DP

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Autolite XS Xtreme Sport Spark Plugs XS4063

Spark Plug, XS Xtreme Sport, Iridium, 14mm Thread, 0.750 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-XS4063

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Denso Iridium TT Spark Plugs 4714

Spark Plug, U-Groove, 14mm Thread, 18mm. Reach, Resistor, Tapered Seat, Each

Part Number: DNP-4714

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Estimated Ship Date: Aug 20, 2025 if ordered today

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Estimated Ship Date: Aug 20, 2025 if ordered today

Autolite XS Xtreme Sport Spark Plugs XS4302

Spark Plug, XS Xtreme Sport, Iridium, 10mm Thread, 0.750 in. Reach, Flat Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-XS4302

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Autolite XS Xtreme Sport Spark Plugs XS61

Spark Plug, XS Xtreme Sport, Iridium, 14mm Thread, 0.750 in. Reach, Gasket Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-XS61

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Autolite Iridium XP Enhanced Alloy Technology Spark Plugs XP5362

Spark Plug, Iridium XP, Iridium, 14mm Thread, 0.982 in. Reach, Tapered Seat, 16mm Wrench Size, Each

Part Number: ATL-XP5362

Not Yet Reviewed

Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Autolite XS Xtreme Sport Spark Plugs XS61S

Spark Plug, XS Xtreme Sport, Iridium, 14mm Thread, 0.750 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-XS61S

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Estimated Ship Date: Aug 18, 2025 if ordered today

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Estimated Ship Date: Aug 18, 2025 if ordered today

Denso Iridium Power Spark Plugs 5350

Spark Plugs, Iridium Power, Tapered Seat, 14mm Thread, 25mm Reach, Resistor, Each

Part Number: DNP-5350

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Estimated Ship Date: Aug 20, 2025 if ordered today

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Estimated Ship Date: Aug 20, 2025 if ordered today

Denso Iridium Power Spark Plugs for 2006-2011 CIVIC - 5352

Spark Plug, Iridium Power, IK20G, 14mm Thread, 19.00mm Reach, Gasket Seat, for use on Honda®, Each

Part Number: DNP-5352

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Estimated Ship Date: Aug 20, 2025 if ordered today

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Estimated Ship Date: Aug 20, 2025 if ordered today

NGK Laser Iridium High Ignitability Spark Plugs for 2020-2024 CT5, 2016-2019 CT6 - SILNAR8A7

Spark Plug, Laser Iridium, Iridium, 12mm Thread, 0.984 in. Reach, Tapered Seat, 14mm Wrench Size, Each

Part Number: NGK-92968

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

NGK Laser Iridium Spark Plugs for 2014 CTS, 2014-2015 XTS - ILTR7E9

OE Iridium, 14mm thread, 25mm reach, 5/8" hex, tapered, solid

Part Number: NGK-90543

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

NGK Laser Iridium Spark Plugs for 2014-2017 ACCORD - ILZKAR7E11S

OE Iridium, 12mm thread, 26.5mm reach, 5/8" hex, gasket, solid

Part Number: NGK-96509

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

NGK Laser Iridium High Ignitability Spark Plugs for 2017 CRUZE - SILNAR9C7DG

Spark Plug, Laser Iridium, Iridium, 12mm Thread, 0.980 in. Reach, Tapered Seat, 14mm Wrench Size, Each

Part Number: NGK-90644

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

NGK Laser Iridium Spark Plugs for 2015-2017 IMPALA - 91613

Spark Plug, Laser Iridium, 14mm Thread, 0.984 in. Reach, 7 Heat Range, 16mm Wrench Size, ILTR7E9D, Each

Part Number: NGK-91613

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

NGK Iridium IX Spark Plugs 91768

Spark Plug, Iridium IX, 12mm Thread, 0.984 in. Reach, 7 Heat Range, 16mm Wrench Size, LNAR7AIX, Each

Part Number: NGK-91768

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

NGK Laser Iridium Spark Plugs for 2003-2005 CIVIC - IFR5G-11K

Spark Plug, Iridium, 14mm Thread, .750 in. Reach, 5/8 in. Hex, Gasket Seat, Resistor, Each

Part Number: NGK-3107

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

NGK Iridium IX Spark Plugs BPR10EIX

Spark Plug, Iridium IX, Iridium, 14mm Thread, 0.750 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: NGK-95236

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

NGK Laser Iridium Spark Plugs IZFR6H11

Spark Plug, Laser Iridium, Gasket Seat, 14mm Thread, 19mm Reach, Resistor, Each

Part Number: NGK-4294

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today

NGK Laser Iridium Spark Plugs IZFR6N-E

Spark Plug, Laser Iridium, Projected, 14mm Thread, 0.750 in. Reach, 5/8 in. Hex, Each

Part Number: NGK-4757

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Estimated Ship Date: Oct 2, 2025 if ordered today

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Estimated Ship Date: Oct 2, 2025 if ordered today