1966 Spark Plugs & Glow Plugs

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

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

Part Number: NGK-92990

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Estimated Ship Date: Jan 22, 2026 if ordered today

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Spark Plug, XS Xtreme Sport, Iridium, 14mm Thread, 0.500 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-XS4093

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Spark Plug, Copper, 12mm Thread, 0.500 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: ATL-4173

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

Part Number: ATL-411

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

Part Number: ATL-4054

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Spark Plug, Standard Series, Gasket Seat, 14mm Thread, .500 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: NGK-4111

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Estimated Ship Date: Jan 14, 2026 if ordered today

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Spark Plug, L78C, Copper Core, 14mm Thread, .500in. Reach, Set

Part Number: CPN-807-1

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Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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USE AUP 4093

Part Number: CPN-811

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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USE AUP 2634

Part Number: CPN-821

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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USE AUP 2634

Part Number: CPN-821-1

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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USE AUP XS4162

Part Number: CPN-7415

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Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plugs, PowerSport, 14mm Thread, 3 Heat Range, Resistor, Nickel Tip, 0.750 in. Reach, Flat Seat, Each

Part Number: CPN-8904-1

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• $20.00 Summit Bucks
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Spark Plug, RN7YC, Copper Plus, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: CPN-332

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Estimated Ship Date: Nov 24, 2025 if ordered today

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

Part Number: CPN-541

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Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, 14mm, Gasket Seat, .375 in. Reach, J8C, Each

Part Number: CPN-841-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, Resistor, Nickel Copper Tip, Copper Core, 14mm Thread Size, 0.750 in. Reach, Gasket Seat, Each

Part Number: CPN-322-1

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Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, Copper Plus, Copper, 14mm Thread, 0.500 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: CPN-312

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Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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Champion Copper Plus SME- Single CD

Part Number: CPN-404-1

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Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, RF9YC, Copper Plus, Tapered Seat, 18mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-409

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• $20.00 Summit Bucks
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USE AUP 4263

Part Number: CPN-415-1

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, Tapered Seat, 1/2 in. NPT Thread, 15/16 in. Hex, 0.940 in. Reach, Non-Resistor, Each

Part Number: CPN-425

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, Copper Plus, Copper, 14mm Thread, 0.500 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: CPN-931-1

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

• $20.00 Summit Bucks
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Spark Plug, Standard, Flat Seat, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: NGK-1463

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Jan 12, 2026 if ordered today

• Special Order

Spark Plugs, U-Grove, Resistor, Copper, 14mm Thread Size, 19mm Reach, Gasket Seat, Each

Part Number: DNP-3013

Not Yet Reviewed

Estimated Ship Date: Nov 17, 2025 if ordered today

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