1956 Spark Plugs

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 ( 5 )

Estimated Ship Date: Today

Spark Plug, Gasket Seat, 14mm Thread, .375 in. Reach, Non-Resistor, Each

Part Number: NGK-3210

4.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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: Today

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: Today

• $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: Today

• $20.00 Summit Bucks

Spark Plug, Standard Series, Gasket Seat, 14mm Thread, .437 in. Reach, Non-Resistor, Each

Part Number: NGK-3212

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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: Today

• $20.00 Summit Bucks

Spark Plug, N9YC, Copper Plus, 14mm Thread, .750 in. Reach, Non-Resistor, Small Engine, Each

Part Number: CPN-300

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plug, Copper Core, Non-Resistor, 14mm x 1.25, Gasket Seat, 0.435 in, Reach, Each

Part Number: ATL-437

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

Spark Plug, D16, Industrial and Agricultural, 18mm Thread, .500 in. Reach, Non-Resistor, Each

Part Number: CPN-516

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plug, Copper Plus, Gasket Seat, Nickel Alloy, 14mm Thread, 0.438 in. Reach, Each

Part Number: CPN-844

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

• $20.00 Summit Bucks

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

Part Number: NGK-2298

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

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

Part Number: ATL-4275

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: ATL-353

5.0 out of 5 stars ( 1 )

Spark Plug, Truck, Gasket Seat, 10mm Thread, .250 in. Reach, Projected Tip, Each

Part Number: CPN-842

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Today

• $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: Today

• $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: Today

• $20.00 Summit Bucks

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

Part Number: CPN-805C

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plug, N3C, Copper Core, 14mm Thread, .750in. Reach, Set

Part Number: CPN-801C

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plug, Copper, 10mm Thread, 0.250 in. Reach, Flat Seat, 5/8 in. Wrench Size, Each

Part Number: ATL-3136

Not Yet Reviewed

Estimated Ship Date: Today

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

Part Number: CPN-555

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plug, N4C, Copper Core, 14mm Thread, .750in. Reach, Set

Part Number: CPN-803C

Not Yet Reviewed

Estimated Ship Date: Today

• $20.00 Summit Bucks

Spark Plug, Jeep, Willys, Each

Part Number: CWA-4339491

Not Yet Reviewed

Estimated Ship Date: Feb 12, 2026 if ordered today

• Drop Ship
• Special Order