Spark Plugs

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

Part Number: CPN-405

4.63 out of 5 stars ( 8 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RV15YC4, Copper Plus, 14mm Thread, .460 in. Reach, Resistor, Each

Part Number: CPN-18

4.5 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/22/2025

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 9/22/2025

Spark Plug, RC14YC, Copper Plus, Flat Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Set of 24

Part Number: CPN-431S

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RV17YC, Copper Plus, 14mm Thread, .460 in. Reach, Resistor, Each

Part Number: CPN-25

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RF10C, Copper Plus, 18mm Thread, .460 in. Reach, Resistor, Ford/Dodge, Each

Part Number: CPN-129

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RJ18YC, Copper Plus, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-58

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RC12LC4, Copper Plus, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: CPN-436

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Plus, Gasket Seat, 14mm Thread, .551 in. Reach, Each

Part Number: CPN-431-1

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

USE AUP AR473

Part Number: CPN-683

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RFN14LY, Copper Plus, Gasket Seat, 14mm Thread, .750 in. Reach, Resistor, Each

Part Number: CPN-82

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RC14YC, Copper Plus, Flat Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-431

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, D21, Copper Plus, 18mm Thread, .500 in. Reach, Gasket seat, Each

Part Number: CPN-502

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, CJ8Y, Copper Plus, 14mm Thread, .375 in. Reach, Non-Resistor, Each

Part Number: CPN-848-1

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Plus Small Engine- Boxed

Part Number: CPN-706

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

USE AUP 308

Part Number: CPN-592C

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, RCJ8Y, Copper Plus, 14mm Thread, .375 in. Reach, Resistor, Each

Part Number: CPN-863-1

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

USE AUP 3136

Part Number: CPN-978

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

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

Part Number: CPN-306

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Gasket Seat, 14mm Thread, 0.375 in. Reach, Projected Tip, Each

Part Number: CPN-599

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Industrial, Gasket Seat, Nickel Alloy, 18mm Thread Size, Each

Part Number: CPN-523

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, UD16, Copper Plus, 18mm Thread, .500 in. Reach, Gasket seat, Each

Part Number: CPN-555

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Racing, 14mm Threads, 52 Heat Range, Non-Resistor, Nickel Copper Alloy Tip, 0.750 in. Reach, 13/16 in. Hex, Set of 24

Part Number: CPN-1009S

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

• Free Shipping

Spark Plug, Racing Spark Plug for Nitromethane Fueled Engines, 14mm Thread, 0.750 in. Reach, 13/16 Hex, Gasket Seat, Each

Part Number: ETP-E3-116

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Plus, Tapered Seat, 14mm Thread, .375 in. Reach, Copper Tip, Universal, Each

Part Number: CPN-843

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025