Spark Plugs - 17.98mm Spark Plug Reach (mm) - Free Shipping on Orders Over $109 at Summit Racing

NGK Ruthenium HX Spark Plugs TR5AHX

Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 0.708 in. Reach, Tapered Seat, Each

Part Number: NGK-94567

5.0 out of 5 stars ( 8 )

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ACCEL C-Cut Performance Spark Plugs 0526-4

Spark Plug, C-Cut Ground Electrode, Tapered Seat, 14mm Thread .708 in. Reach, Projected, Resistor, Set of 4

Part Number: ACC-0526-4

4.95 out of 5 stars ( 20 )

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NGK Ruthenium HX Spark Plugs TR6AHX

Spark Plug, Ruthenium HX, Ruthenium, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: NGK-92714

Not Yet Reviewed

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Autolite XP Xtreme Performance Spark Plugs XP104

Spark Plug, XP, Copper Core, Tapered Seat, 14mm Thread, 0.708 in. Reach, Projected Tip, Non-resistor, Each

Part Number: ATL-XP104

5.0 out of 5 stars ( 1 )

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NGK Laser Iridium Spark Plugs ITR5H13

USE NIP 4713

Part Number: NGK-97287

Not Yet Reviewed

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NGK Laser Iridium Spark Plugs ITR6G9

OE Iridium, 14mm thread, .708 reach, 5/8" hex, tapered, solid

Part Number: NGK-90156

Not Yet Reviewed

Estimated Ship Date: May 2, 2025 if ordered today

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Estimated Ship Date: May 2, 2025 if ordered today

NGK Ruthenium HX Spark Plugs TR4BHX

USE NIP 5325

Part Number: NGK-97100

Not Yet Reviewed

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NGK Iridium IX Spark Plugs TR65IX

USE NIP 5327

Part Number: NGK-3692

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2025 if ordered today

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Estimated Ship Date: Jun 16, 2025 if ordered today

NGK Laser Platinum Spark Plugs TR5BP12

OE Platinum, 14mm thread, .708" reach, 5/8" hex, tapered, solid

Part Number: NGK-93858

Not Yet Reviewed

Estimated Ship Date: Jun 12, 2025 if ordered today

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Estimated Ship Date: Jun 12, 2025 if ordered today

NGK Laser Platinum Spark Plugs PTR4G-15

Spark Plug, PTR4G-15, Laser Platinum, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Hex, Each

Part Number: NGK-1209

Not Yet Reviewed

Estimated Ship Date: Jun 16, 2025 if ordered today

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Estimated Ship Date: Jun 16, 2025 if ordered today

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NGK Laser Iridium Spark Plugs ITR4A15

5 out of 5 stars ( 1 )

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ACDelco GM Genuine Parts Iridium Spark Plugs 12681662

Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, 0.708 in. Reach, Resistor, Each

Part Number: ADO-41-100

Not Yet Reviewed

Estimated Ship Date: Jun 2, 2025 if ordered today

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Estimated Ship Date: Jun 2, 2025 if ordered today

Motorcraft Platinum Spark Plugs AGSF34FPX

Spark Plug, Platinum, Each

Part Number: MOF-SP440X

Not Yet Reviewed

Estimated Ship Date: May 22, 2025 if ordered today

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Estimated Ship Date: May 22, 2025 if ordered today