1966 Spark Plugs

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

Part Number: ADO-R45S

4.92 out of 5 stars ( 24 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, RJ12YC, Copper Plus, 14mm Thread, .375 in. Reach, Resistor, GM, Jeep, Mopar, International, Each

Part Number: CPN-14

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 11/10/2025

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

Part Number: ADO-R43S

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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

Part Number: ADO-7

4.4 out of 5 stars ( 15 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, RN12YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-404

4.94 out of 5 stars ( 17 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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

Part Number: ADO-R44XLS

4.71 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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

Part Number: ADO-41-833

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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

Part Number: ADO-R45

4.29 out of 5 stars ( 7 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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

Part Number: ADO-R44XL

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, RN14YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-405

4.67 out of 5 stars ( 9 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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

Part Number: CPN-3405

4.62 out of 5 stars ( 13 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, RF11YC, Copper Plus, 18mm Thread, .460 in. Reach, Resistor, Ford, Mercury, Each

Part Number: CPN-22

4.4 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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

Part Number: ADO-R43XLS

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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

Part Number: ADO-R45XLS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, RJ14YC, Copper Plus, 14mm Thread, .375 in. Reach, Resistor, Each

Part Number: CPN-63

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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

Part Number: ADO-41-828

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, J12YC, Copper Plus, Gasket Seat, 14mm Thread, .380 in. Reach, Non-Resistor, Each,

Part Number: CPN-10

4.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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

Part Number: CPN-9201

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, N12YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Non-Resistor, Each

Part Number: CPN-38

4.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 18mm Thread, Each

Part Number: ADO-R83TS

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plugs, Double Platinum Power Spark Plugs - Boxed

Part Number: CPN-7322

Not Yet Reviewed

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

Spark Plug, RN9YC, Copper Plus, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-415

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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

Part Number: CPN-3071

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks

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

Part Number: ADO-R43XL

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Monday 11/10/2025

• $20.00 Summit Bucks