1966 Spark Plugs & Glow Plugs

Spark Plug, U-Groove, W20ESR-U, 14mm Thread, 19.00mm Reach, Gasket Seat, Alfa Romeo, Chevy, Jeep, for Nissan, Polaris, Porsche, Volkswagen, Each

Part Number: DNP-3057

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Spark Plug, Standard, W14L, 14mm Thread, 11.20mm Reach, Gasket Seat, American Motors, Ford, Each

Part Number: DNP-6013

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Estimated Ship Date: Dec 8, 2025 if ordered today

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Spark Plug, Copper Plus, Copper, 14mm Thread, 0.750 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: CPN-818C

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Estimated Ship Date: Dec 1, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Spark Plug, RN11YC4, Copper Plus, 14mm Thread, .750 in. Reach, Resistor, Projected Tip, Each

Part Number: CPN-322

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Estimated Ship Date: Dec 1, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, Industrial, 18mm Thread, 0.500 in. Reach, Gasket Seat, Resistor, Each

Part Number: CPN-509

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Estimated Ship Date: Dec 1, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, H8C, Copper Plus, 14mm Thread, .438 in. Reach, Non-Resistor, Each

Part Number: CPN-587

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Estimated Ship Date: Dec 1, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, Double Platinum, Resistor, 14mm Thread, 0.500 in. Reach, Gasket Seat, 13/16 in. Hex, Each

Part Number: CPN-943M

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Estimated Ship Date: Dec 1, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, Copper Plus, 14mm Thread, .750 in. Reach, Non-Resistor, Each

Part Number: CPN-801

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Estimated Ship Date: Dec 1, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

USE AUP 303

Part Number: CPN-823

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Estimated Ship Date: Dec 1, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, RL86C, Copper Plus, 14mm Thread, .500 in. Reach, Gasket seat, Resistor, Each

Part Number: CPN-830

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Estimated Ship Date: Dec 1, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, XS Xtreme Sport, Iridium, 14mm Thread, 0.750 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-XS4063

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Spark Plug, XS Xtreme Sport, Iridium, 14mm Thread, 0.750 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-XS4063S

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Spark Plug, Copper Plus, Marine, 14mm Thread, Copper Tip, Universal, Each

Part Number: CPN-814

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Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
• Special Order

Champion Copper Plus SME- Single CD

Part Number: CPN-312-1

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Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, Double Platinum, 14mm Thread, 0.750 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-APP63

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Spark Plug, Copper, 14mm Thread, 0.500 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-414

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Spark Plug, XS Xtreme Sport, Iridium, 14mm Thread, 0.750 in. Reach, Gasket Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-XS63

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• Special Order

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Copper Core, Tapered Seat, 18mm Thread, One Ground Strap, Each

Part Number: ADO-R83T

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Estimated Ship Date: Dec 15, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, Conventional Resistor, Nickel Alloy Tip, Gasket Seat, 14mm Thread, Renault, Volkswagen, Volvo

Part Number: ADO-R43FS

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Estimated Ship Date: Dec 16, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .500 in. Reach, Resistor, Each

Part Number: NGK-3419

Not Yet Reviewed

Estimated Ship Date: Jan 22, 2026 if ordered today

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Misc - Engine Control

Part Number: SMP-GP112

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Spark Plug, Standard, W22ES-U, 14mm Thread, 19.00mm Reach, Flat Seat, for use on Honda®, Kawasaki, Suzuki, Yamaha, Each

Part Number: DNP-3093

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Estimated Ship Date: Dec 8, 2025 if ordered today

• Special Order

Spark Plug, Copper Core, Gasket Seat, 14mm Thread, 0.502 in. Reach, Non-Projected, Non-Resistor, Each

Part Number: ATL-275

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• Special Order

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

Part Number: NGK-1111

Not Yet Reviewed

Estimated Ship Date: Jan 21, 2026 if ordered today

• Special Order

Spark Plug, XS Xtreme Sport, Iridium, 14mm Thread, 0.750 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-XS4064

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