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Performance & Replacement Spark Plugs

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Performance & Replacement Spark Plugs

Fire up your engine with power-packed strokes and increased combustion pressure by adding top-quality spark plugs to your racing or street machine. Whether your car...

Fire up your engine with power-packed strokes and increased combustion pressure by adding top-quality spark plugs to your racing or street machine. Whether your car is foreign or domestic, we have a massive assortment of performance and replacement spark plug options from which to choose. Select from the industry’s leading brands, including E3 Spark Plugs, NGK, Champion, Bosch, ACDelco, Fram, ACCEL, Autolite, Ford Racing, Motorcraft, and many more! With options for virtually any type of electrode core and tip material, we have the spark plugs to keep your pistons firing run after run!

Fire up your engine with power-packed strokes and increased combustion pressure by adding top-quality spark plugs to your racing or street machine. Whether your car is foreign or domestic, we have a massive assortment of performance and replacement spark plug options from which to choose. Select from the industry’s leading brands, including E3 Spark Plugs, NGK, Champion, Bosch, ACDelco, Fram, ACCEL, Autolite, Ford Racing, Motorcraft, and many more! With options for virtually any type of electrode core and tip material, we have the spark plugs to keep your pistons firing run after run!

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Results 1 - 25 of 56

NGK V-Power Spark Plugs TR6

NGK V-Power Spark Plugs TR6

NGK V-Power Spark Plugs TR6

Spark Plug, V-Power, Tapered Seat, M14 x 1.25 Thread, 0.709 in. Reach, 5/8 in. Hex, 0.039 in. Gap Preset, 6 Heat Range, Projected Tip, Resistor, Each

Part Number: NGK-4177

4.92 out of 5 stars ( 60 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK V-Power Spark Plugs BKR5E

NGK V-Power Spark Plugs BKR5E

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

4.73 out of 5 stars ( 15 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Autolite Copper Core Spark Plugs 3924

Autolite Copper Core Spark Plugs 3924

Autolite Copper Core Spark Plugs 3924

Spark Plug, Copper, 14mm Thread, 0.750 in. Reach, Gasket Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-3924

4.82 out of 5 stars ( 62 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK Iridium IX Spark Plugs LTR5IX-11

NGK Iridium IX Spark Plugs LTR5IX-11

NGK Iridium IX Spark Plugs LTR5IX-11

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .984 in. Reach, Resistor, Each

Part Number: NGK-4344

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK Iridium IX Spark Plugs TR6IX

NGK Iridium IX Spark Plugs TR6IX

NGK Iridium IX Spark Plugs TR6IX

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

Part Number: NGK-3689

5.0 out of 5 stars ( 11 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK V-Power Spark Plugs TR5

NGK V-Power Spark Plugs TR5

NGK V-Power Spark Plugs TR5

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

Part Number: NGK-2238

5.0 out of 5 stars ( 19 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Autolite Copper Core Spark Plugs 3923

Autolite Copper Core Spark Plugs 3923

Autolite Copper Core Spark Plugs 3923

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

Part Number: ATL-3923

4.42 out of 5 stars ( 12 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK G-Power Platinum Spark Plugs TR5GP

NGK G-Power Platinum Spark Plugs TR5GP

NGK G-Power Platinum Spark Plugs TR5GP

Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-3186

4.93 out of 5 stars ( 28 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK Iridium IX Spark Plugs BKR5EIX-11

NGK Iridium IX Spark Plugs BKR5EIX-11

NGK Iridium IX Spark Plugs BKR5EIX-11

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

Part Number: NGK-5464

4.75 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK Iridium IX Spark Plugs BKR6EIX

NGK Iridium IX Spark Plugs BKR6EIX

NGK Iridium IX Spark Plugs BKR6EIX

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

Part Number: NGK-6418

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK G-Power Platinum Spark Plugs LTR5GP

NGK G-Power Platinum Spark Plugs LTR5GP

NGK G-Power Platinum Spark Plugs LTR5GP

Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, 1.043 in. Reach, Resistor, Each

Part Number: NGK-5019

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Autolite Copper Core Spark Plugs 104

Autolite Copper Core Spark Plugs 104

Autolite Copper Core Spark Plugs 104

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

Part Number: ATL-104

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK Iridium IX Spark Plugs BKR6EIX-11

NGK Iridium IX Spark Plugs BKR6EIX-11

NGK Iridium IX Spark Plugs BKR6EIX-11

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

Part Number: NGK-3764

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK G-Power Platinum Spark Plugs TR6GP

NGK G-Power Platinum Spark Plugs TR6GP

NGK G-Power Platinum Spark Plugs TR6GP

Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, 0.690 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-5141

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK V-Power Spark Plugs BKR5E-11

NGK V-Power Spark Plugs BKR5E-11

NGK V-Power Spark Plugs BKR5E-11

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

Part Number: NGK-6953

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Autolite XP Xtreme Performance Spark Plugs XP3924

Autolite XP Xtreme Performance Spark Plugs XP3924

Autolite XP Xtreme Performance Spark Plugs XP3924

Spark Plug, Iridium XP Enhanced Alloy, Resistor, 14mm x 1.25, Tapered Seat, 0.750 in, Reach, Each

Part Number: ATL-XP3924

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK V-Power Spark Plugs BKR6E-11

NGK V-Power Spark Plugs BKR6E-11

NGK V-Power Spark Plugs BKR6E-11

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

Part Number: NGK-2756

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Autolite XP Xtreme Performance Spark Plugs XP103

Autolite XP Xtreme Performance Spark Plugs XP103

Autolite XP Xtreme Performance Spark Plugs XP103

Spark Plug, XP Xtreme Performance, Iridium, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-XP103

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK G-Power Platinum Spark Plugs BKR6EGP

NGK G-Power Platinum Spark Plugs BKR6EGP

NGK G-Power Platinum Spark Plugs BKR6EGP

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

Part Number: NGK-7092

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

NGK V-Power Spark Plugs TR55-1

NGK V-Power Spark Plugs TR55-1

NGK V-Power Spark Plugs TR55-1

Spark Plug, V-Power, Tapered Seat, 14mm Thread, .807 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-2683

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

E3 Spark Plugs E3.56

E3 Spark Plugs E3.56

E3 Spark Plugs E3.56

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

Part Number: ETP-E3-56

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Autolite Copper Core Spark Plugs 103

Autolite Copper Core Spark Plugs 103

Autolite Copper Core Spark Plugs 103

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

Part Number: ATL-103

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Autolite XP Xtreme Performance Spark Plugs XP104

Autolite XP Xtreme Performance Spark Plugs XP104

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 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

Denso Iridium TT Spark Plugs 4702

Denso Iridium TT Spark Plugs 4702

Denso Iridium TT Spark Plugs 4702

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

Part Number: DNP-4702

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

ACDelco Conventional Resistor Spark Plugs 19354429

ACDelco Conventional Resistor Spark Plugs 19354429

ACDelco Conventional Resistor Spark Plugs 19354429

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Gasket Seat, 14mm Thread, Each

Part Number: ADO-41-602

Not Yet Reviewed

Estimated Ship Date: Monday 10/27/2025

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Estimated Ship Date: Monday 10/27/2025

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