Spark Plugs - Free Shipping on Orders Over $109 at Summit Racing

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 ( 13 )

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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 )

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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 )

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NGK Iridium IX Spark Plugs LTR6IX-11

Spark Plug, IX Iridium, 14mm Thread, 0.984 in. Reach, 5/8 in. Hex, Tapered Seat, Resistor, Each

Part Number: NGK-6509

4.43 out of 5 stars ( 7 )

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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: Aug 22, 2025 if ordered today

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Estimated Ship Date: Aug 22, 2025 if ordered today

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Autolite Racing Spark Plugs R3932

Spark Plug, Racing, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. Reach, Each

Part Number: ATL-AR3932

4.88 out of 5 stars ( 17 )

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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 )

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Autolite Copper Core Spark Plugs 25

Spark Plug, Copper Core, Tapered Seat, 14mm Thread, .460 in. Reach, Partial Projected, Resistor, Each

Part Number: ATL-25

4.82 out of 5 stars ( 17 )

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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 )

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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 )

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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 ( 4 )

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NGK Racing Spark Plugs R5673-7

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

Part Number: NGK-2817

5.0 out of 5 stars ( 6 )

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Autolite Racing Spark Plugs R3934

Spark Plug, Racing, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. Reach, Each

Part Number: ATL-AR3934

4.78 out of 5 stars ( 9 )

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NGK V-Power Spark Plugs WR5

Spark Plug, V-Power, Tapered Seat, 18mm Thread, .429 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-2438

5.0 out of 5 stars ( 5 )

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NGK Iridium IX Spark Plugs BKR7EIX

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

Part Number: NGK-2667

5.0 out of 5 stars ( 6 )

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NGK Iridium IX Spark Plugs UR4IX

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7401

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Autolite Racing Spark Plugs R3923

Spark Plug, Racing, Copper Core, Gasket Seat, 14mm Thread, 0.750 in. Reach, Each

Part Number: ATL-AR3923

5.0 out of 5 stars ( 6 )

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NGK Racing Spark Plugs R6061-11

Spark Plug, Racing, 14mm Thread, .750 in. Reach, 13/16 Hex, Gasket Seat, Non-Resistor, Each

Part Number: NGK-2773

1.0 out of 5 stars ( 1 )

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E3 Spark Plugs E3.54

Spark Plug, E3, Tapered Seat, 14mm Thread, 0.708 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-54

4.59 out of 5 stars ( 97 )

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NGK Standard Series Spark Plugs YR5

Spark Plug, Standard Series, Tapered Seat, 14mm Thread, .460 in. Reach, Resistor, Each

Part Number: NGK-7052

4.71 out of 5 stars ( 7 )

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E3 Spark Plugs E3.48

Spark Plug, E3, Gasket Seat, 14mm Thread, 0.750 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-48

4.62 out of 5 stars ( 84 )

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E3 Spark Plugs E3.74

Spark Plug, E3, Tapered Seat, 14mm Thread, 1.000 in. Reach, Projected Tip, Resistor, Each

Part Number: ETP-E3-74

4.67 out of 5 stars ( 18 )

Estimated Ship Date: Today

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NGK V-Power Spark Plugs UR45

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

Part Number: NGK-6945

3.4 out of 5 stars ( 5 )

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Champion Racing Spark Plugs 792

Spark Plug, Race, C59YC, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Each

Part Number: CPN-792

4.71 out of 5 stars ( 24 )

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NGK Racing Spark Plugs R5673-9

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

Part Number: NGK-3442

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Aug 22, 2025 if ordered today

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Estimated Ship Date: Aug 22, 2025 if ordered today