NGK Spark Plugs Spark Plugs - 14mm Spark Plug Thread Size - Universal - Free Shipping on Orders Over $109 at Summit Racing

NGK Racing Spark Plugs R5671A-10

Spark Plug, Racing, Gasket Seat, 14mm Thread, .750 in. Reach, Non-Resistor, Each

Part Number: NGK-5820

4.94 out of 5 stars ( 18 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Racing Spark Plugs R5671A-8

Spark Plug, Racing, Gasket Seat, 14mm Thread, .750 in. Reach, Non-Resistor, Each

Part Number: NGK-4554

4.88 out of 5 stars ( 41 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Racing Spark Plugs R5671A-9

Spark Plug, Racing, Gasket Seat, 14mm Thread, .750 in. Reach, Non-Resistor, Each

Part Number: NGK-5238

4.81 out of 5 stars ( 27 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Racing Spark Plugs R5671A-7

Spark Plug, Racing, Gasket Seat, 14mm Thread, .750 in. Reach, Non-Resistor, Each

Part Number: NGK-4091

4.74 out of 5 stars ( 38 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Racing Spark Plugs for 2011 RX 65 MOTARD - R5671A-11

Spark Plug, Racing, Gasket Seat, 14mm Thread, .750 in. Reach, Non-Resistor, Each

Part Number: NGK-6596

5.0 out of 5 stars ( 8 )

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

NGK Standard Series Spark Plugs for 1991-1992 XJS - BR7EF

Spark Plug, Standard Series, Tapered Seat, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: NGK-3346

4.76 out of 5 stars ( 25 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK V-Power Spark Plugs BKR5E

Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7938

4.67 out of 5 stars ( 12 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Iridium IX Spark Plugs for 2006-2009 STS, XLR - TR7IX

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3690

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Iridium IX Spark Plugs LFR5AIX-11

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, 1.043 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-4469

4.86 out of 5 stars ( 14 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Racing Spark Plugs R6061-10

Spark Plug, Racing, Gasket Seat, 14mm Thread, .750 in. Reach, Non-Resistor, Each

Part Number: NGK-5962

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Racing Spark Plugs R5672A-8

Spark Plug, Racing, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: NGK-7173

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Racing Spark Plugs R5673-8

Spark Plug, Racing, Tapered Seat, 14mm Thread, .460 in. Reach, Non-Resistor, Each

Part Number: NGK-3249

4.67 out of 5 stars ( 6 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Iridium IX Spark Plugs TR55IX

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7164

4.96 out of 5 stars ( 27 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Iridium IX Spark Plugs LFR7AIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, 1.043 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-2309

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Iridium IX Spark Plugs BKR8EIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-2668

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Racing Spark Plugs R5672A-9

Spark Plug, Racing, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7405

4.88 out of 5 stars ( 8 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK V-Power Spark Plugs UR4

Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Reach, 5/8 in. Hex, Projected Tip, Resistor, Each

Part Number: NGK-6630

4.97 out of 5 stars ( 29 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK V-Power Spark Plugs UR5

Spark Plug, V-Power, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-2771

4.75 out of 5 stars ( 24 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK V-Power Spark Plugs FR5

Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7373

4.9 out of 5 stars ( 20 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Racing Spark Plugs R7437-9

Spark Plug, Gasket Seat, 14mm, 1.040 in. Reach, R7437-9, Resistor, Projected Tip, Each

Part Number: NGK-4654

5.0 out of 5 stars ( 5 )

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

NGK Standard Series Spark Plugs B8EFS

Spark Plug, Standard Series, Tapered Seat, 14mm Thread, .708 in. Reach, Non-Resistor, Each

Part Number: NGK-1049

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK V-Power Spark Plugs BKR7E

Spark Plug, V-Power, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-4644

4.93 out of 5 stars ( 15 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Iridium IX Spark Plugs BKR9EIX

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-2669

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Laser Platinum Spark Plugs LZTR6AP11EG

Spark Plug, Laser Platinum, Tapered Seat, 14mm Thread, 25mm Reach, Resistor, Each

Part Number: NGK-97408

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025

NGK Racing Spark Plugs R5724-8

Spark Plug, Racing, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: NGK-7317

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 5/12/2025

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Estimated Ship Date: Monday 5/12/2025