Performance & Replacement Spark Plugs at Summit Racing

Champion Copper Plus Spark Plugs for 1986-1994 900, 1987-1990 9000 - 946

Spark Plug, QC12YC, Copper Plus, 14mm Thread, 19mm Reach, Gasket seat, Resistor, Projected Tip, Each

Part Number: CPN-946

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NGK Ruthenium HX Spark Plugs LTR7BHX

Spark Plug, Ruthenium HX, Ruthenium, 14mm Thread, 0.984 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: NGK-95605

5.0 out of 5 stars ( 5 )

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NGK Laser Iridium High Ignitability Spark Plugs SILZKBR8D8S

Spark Plug, Laser Iridium, Gasket Seat, 12mm Thread, 26.5mm Reach, Resistor, Each

Part Number: NGK-97506

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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 ( 9 )

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NGK Racing Spark Plugs B9EG

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

Part Number: NGK-3530

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Champion Iridium Spark Plugs 9809

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

Part Number: CPN-9809

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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 ( 6 )

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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 ( 21 )

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ACDelco Conventional Resistor Spark Plugs for 1970 CAPRICE, CORVETTE - 19355200

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

Part Number: ADO-MR43T

4.75 out of 5 stars ( 8 )

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Autolite Copper Core Spark Plugs 66

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each

Part Number: ATL-66

5.0 out of 5 stars ( 3 )

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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 )

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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 )

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Autolite Copper Core Spark Plugs 306

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.372 in, Reach, Each

Part Number: ATL-306

4.5 out of 5 stars ( 2 )

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ACDelco Gold Platinum Spark Plugs 19313641

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

Part Number: ADO-41-817

4.0 out of 5 stars ( 1 )

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ACDelco GM Genuine Parts Iridium Spark Plugs 12681660

Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, 0.984 in. Reach, Resistor, Each

Part Number: ADO-41-109

3.67 out of 5 stars ( 3 )

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ACDelco Conventional Resistor Spark Plugs 19355203

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

Part Number: ADO-R43

4.14 out of 5 stars ( 7 )

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NGK Standard Series Spark Plugs BR9ECS-5

Spark Plug, Standard, Flat Seat, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: NGK-6669

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Champion Copper Plus Spark Plugs 444

Spark Plug, RC7YC3, Copper Plus, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: CPN-444

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Autolite Double Platinum Spark Plugs PP5224

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

Part Number: ATL-APP5224

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Champion Copper Plus Spark Plugs 13

Spark Plug, RS14YC6, Copper Plus, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-13

4.5 out of 5 stars ( 4 )

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ACDelco RAPIDFIRE Performance Platinum Spark Plugs 19307137

Spark Plug, RAPIDFIRE Performance Platinum, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-6

5.0 out of 5 stars ( 10 )

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NGK Laser Iridium Spark Plugs IFR6J11

Spark Plug, ZFR5F, Laser Iridium, 14mm Thread, 0.750 in. Reach, Gasket Seat, 5/8 in. Hex, Each

Part Number: NGK-7658

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Brisk Silver Racing Spark Plugs RR10S

Spark Plugs, Silver Racing, Silver, 14mm Thread Size, 25mm Reach, Tapered Seat, 10 Heat Range, Resistor, Each

Part Number: BIK-RR10S

5.0 out of 5 stars ( 2 )

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Autolite Revolution HT Spark Plugs HT0

Spark Plug, Revolution HT, Copper Core, Tapered Seat, 16mm Thread, 25mm Reach, Resistor, Each

Part Number: ATL-HT0

4.27 out of 5 stars ( 11 )

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Champion Iridium Spark Plugs RER8ZWYPB4

Spark Plug, Iridium, Iridium, 12mm Thread, 1.103 in. Reach, Flat Seat, 5/8 in. Wrench Size, Each

Part Number: CPN-9417

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