Spark Plugs

Spark Plug, Copper, 14mm Thread, 0.750 in. Reach, Gasket Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-3924

4.82 out of 5 stars ( 61 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Resistor, 18mm x 1.50, Tapered Seat, 0.438 in, Reach, Each

Part Number: ATL-45

4.94 out of 5 stars ( 16 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Tapered Seat, 14mm Thread, .460 in. Reach, Partial Projected, Resistor, Each

Part Number: ATL-25

4.82 out of 5 stars ( 17 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.375 in, Reach, Each

Part Number: ATL-85

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Tapered Seat, 0.431 in, Reach, Each

Part Number: ATL-26

5.0 out of 5 stars ( 12 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Race, C59YC, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Each

Part Number: CPN-792

4.71 out of 5 stars ( 24 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: ATL-104

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: ATL-24

4.64 out of 5 stars ( 11 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each

Part Number: ATL-3922

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper, 14mm Thread Size, 0.460 in. reach, Resistor, Each

Part Number: MOF-SP450X

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each

Part Number: ATL-3926

4.83 out of 5 stars ( 12 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each

Part Number: ATL-65

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Resistor, 18mm x 1.50, Tapered Seat, 0.438 in, Reach, Each

Part Number: ATL-46

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, C53VC, Copper Plus, 14mm Thread, .750 in. Reach, Gasket seat, Each

Part Number: CPN-694

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Tapered Seat, 0.372 in, Reach, Each

Part Number: ATL-86

4.8 out of 5 stars ( 10 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Gasket Seat, 14mm Thread, .437 in. Reach, Non-Projected Tip, Non-Resistor, Each

Part Number: ATL-216

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Gasket Seat, 14mm Thread, 0.375 in. Reach, Resistor, Each

Part Number: ATL-303

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Racing, Copper Core, Gasket Seat, 1 in. Reach, Each

Part Number: ATL-AR5324

Not Yet Reviewed

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Tapered Seat, 0.679 in, Reach, Each

Part Number: ATL-605

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each

Part Number: ATL-66

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Tapered Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: ATL-103

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 9/22/2025

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

Part Number: ATL-404

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Resistor, 14mm x 1.25, Gasket Seat, 0.750 in, Reach, Each

Part Number: ATL-985

4.0 out of 5 stars ( 4 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Resistor, Tapered Seat Style, 18mm Thread, 0.460 in. Reach, Dodge, Ford, Each

Part Number: ATL-124

3.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025

Spark Plug, Copper Core, Gasket Seat, 14mm Thread, .375 in. Reach, Partial Projected Tip, Non-Resistor, Each

Part Number: ATL-295

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 9/22/2025