Performance & Replacement Spark Plugs at Summit Racing

Denso Iridium TT Spark Plugs 4704

Spark Plugs, Iridium TT, Gasket Seat, 14mm Thread, 26.5mm Reach, Resistor, Each

Part Number: DNP-4704

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

NGK Racing Spark Plugs BR9EG

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

Part Number: NGK-3230

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Champion Copper Plus Spark Plugs 436

Spark Plug, RC12LC4, Copper Plus, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: CPN-436

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Autolite Copper Core Spark Plugs 2545

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Tapered Seat, 0.809 in, Reach, Each

Part Number: ATL-2545

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

NGK Racing Spark Plugs R7438-8

Spark Plug, Racing Plugs, Non Projected, 14mm Thread, 26.5mm Reach, 5/8 in. Hex, Each

Part Number: NGK-4905

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

NGK V-Power Spark Plugs XR45

Spark Plug, V-Power, Gasket Seat, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-4536

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Brisk Silver Racing Spark Plugs GR14YS

Spark Plugs, Silver Racing, Silver, 14mm Thread Size, 18mm Reach, Tapered Seat, 14 Heat Range, Resistor, Each

Part Number: BIK-GR14YS

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

NGK Laser Iridium Spark Plugs ILZKAR8J8SY

Spark Plug, Laser Iridium, Iridium, 12mm Thread, 1.043 in. Reach, Flat Seat, 14mm Wrench Size, Each

Part Number: NGK-95660

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Autolite Racing Spark Plugs R12

Spark Plug, Racing, Copper Core, Tapered Seat, 14mm Thread, 0.460 in. Reach, Each

Part Number: ATL-AR12

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

ACDelco GM Genuine Parts Iridium Spark Plugs 19301814

Spark Plug, Professional, Iridium Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-988

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

NGK Racing Spark Plugs R6725-11

Spark Plug, Racing, 14mm Thread, 21.5mm Reach,13/16 in. Hex, Gasket Seat, Resistor, Each

Part Number: NGK-4311

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Brisk Premium Multi-Spark Racing Spark Plugs ER14ZS

Spark Plug, Premium Multi-Spark, 3 Spark Design, Racing, 14mm, 1.0 Reach, 5/8 in. Wrench, Gasket, Each

Part Number: BIK-ER14ZS

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Autolite Copper Core Spark Plugs 404

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

Part Number: ATL-404

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Denso Platinum TT Spark Plugs 4503

Spark Plugs, Platinum TT, Gasket Seat, 14mm Thread, 19mm Reach, Resistor, Each

Part Number: DNP-4503

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Brisk Silver Racing Spark Plugs AR08S

Spark Plug, Silver Racing, Silver, 10mm Thread, 0.748 in. Reach, Gasket Seat, 5/8 in. Wrench Size, Each

Part Number: BIK-AR08S

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

NGK Racing Spark Plugs B8EG

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

Part Number: NGK-3430

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

APR Iridium Pro Spark Plugs Z1003100

Spark Plugs, Iridium Pro, 14mm Thread, 26.5mm Reach, 9 Heat Range, Resistor, Non-projected, Gasket Seat, Audi, Bentley, Porsche, Volkswagen, Each

Part Number: AXR-Z1003100

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

NGK Standard Series Spark Plugs AP7FS

Spark Plug, Standard Series, Tapered Seat, 18mm Thread, .460 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: NGK-2127

5.0 out of 5 stars ( 2 )

Estimated Ship Date: May 12, 2025 if ordered today

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Estimated Ship Date: May 12, 2025 if ordered today

Need It Sooner?

We recommend these similar substitute parts:

Autolite Racing Spark Plugs R33

5 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/5/2025

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NGK Laser Iridium High Ignitability Spark Plugs SILKFR8A6

Spark Plug, Laser Iridium, Iridium, 12mm Thread, 1.043 in. Reach, Flat Seat, 14mm Wrench Size, Each

Part Number: NGK-96698

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Autolite Racing Spark Plugs R472

Spark Plug, Racing, Copper Core, Tapered Seat, 14mm Thread, 0.679 in. Reach, Each

Part Number: ATL-AR472

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Autolite Iridium XP Enhanced Alloy Technology Spark Plugs XP5363

Spark Plug, Resistor, Iridium Tip, Iridium Core, 14mm Thread Size, 1 in. Reach, Tapered Seat, Each

Part Number: ATL-XP5363

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

NGK Iridium IX Spark Plugs BR10EIX

Spark Plug, IX Iridium, 14mm Thread, .750 in. Reach, 13/16 in. Hex, Gasket Seat, Resistor, Each

Part Number: NGK-6801

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

NGK Laser Iridium Spark Plugs for 2002-2008 CRF450R, 2005-2017 CRF450X, 2004-2005 TRX450R - IFR8H11

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

Part Number: NGK-5068

Not Yet Reviewed

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Champion Copper Plus Spark Plugs 58

Spark Plug, RJ18YC, Copper Plus, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-58

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025

Champion Racing Spark Plugs for 1977-1979 PURSANG 250 - 794

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

Part Number: CPN-794

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 5/5/2025

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Estimated Ship Date: Monday 5/5/2025