1956 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 11/24/2025

• $20.00 Summit Bucks

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 11/24/2025

• $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 11/24/2025

• $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 11/24/2025

• $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 11/24/2025

• $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 11/24/2025

• $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 11/24/2025

• $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 11/24/2025

• $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 11/24/2025

• $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 11/24/2025

• $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 11/24/2025

• $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 11/24/2025

• $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 11/24/2025

• $20.00 Summit Bucks

Spark Plug, Copper Plus, 14mm Thread Size, 0.375 in. Reach, 8 Heat Range, Each

Part Number: CPN-841

4.33 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/24/2025

• $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 11/24/2025

• $20.00 Summit Bucks

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

Part Number: ADO-R85TS

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Gasket Seat, 14mm Thread, Chevy, Ford, Plymouth, Volvo

Part Number: ADO-R42XLS

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks

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

Part Number: ADO-R44F

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Copper Core, Gasket Seat, 14mm Thread, One Ground Strap, Each

Part Number: ADO-C45L

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks

Spark Plug, RN4C, Copper Plus, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: CPN-104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks

Spark Plug, Copper Plus, 14mm, Gasket Seat, .375 in. Reach, Projected Tip, Resistor, RJ12C, Each

Part Number: CPN-592

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks

Spark Plug, Copper Plus, Gasket Seat, 14mm Thread, .500 in. Reach, Each

Part Number: CPN-306

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks

Spark Plug, J6C, Copper Core, 14mm Thread, .375in. Reach, Set

Part Number: CPN-823-1

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks

Spark Plug, N2C, Copper Core, 14mm Thread, .750in. Reach, Set

Part Number: CPN-805C

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks

Spark Plug, RN3C, Copper Plus, 14mm Thread, Resistor, Each

Part Number: CPN-880

Not Yet Reviewed

Estimated Ship Date: Monday 11/24/2025

• $20.00 Summit Bucks