1974 Spark Plugs

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

Part Number: NGK-7401

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Monday 12/29/2025

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

Part Number: NGK-7177

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Monday 12/29/2025

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7355

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Monday 12/29/2025

Spark Plug, Iridium IX, Tapered Seat, 18mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7510

4.33 out of 5 stars ( 6 )

Estimated Ship Date: Monday 12/29/2025

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

Part Number: NGK-7559

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/29/2025

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7189

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/29/2025

Spark Plug, Iridium IX, Gasket Seat, 12mm Thread, .750 in. Reach, Resistor, Each

Part Number: NGK-6681

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Spark Plug, IX Iridium, 14mm Thread, .750 in. Reach, 13/16 in. Hex, Gasket Seat, Resistor, Each

Part Number: NGK-3981

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

Spark Plug, Conventional Resistor, Nickel Alloy Tip, Tapered Seat, 14mm Thread, Chevy, Ford, Plymouth, Each

Part Number: ADO-R42TS

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Monday 12/29/2025

• $20 Summit Bucks

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

Part Number: NGK-7516

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 12/29/2025

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

Part Number: NGK-6747

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Spark Plug, Iridium IX, 14mm Thread, .750 in. Reach, 13/16 in. Hex, Gasket Seat, Each

Part Number: NGK-6684

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Spark Plug, Iridium IX, Iridium, 14mm Thread, 0.927 in. Reach, Flat Seat, 13/16 in. Wrench Size, Each

Part Number: NGK-95525

Not Yet Reviewed

Estimated Ship Date: Monday 12/29/2025

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .500 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-4085

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Monday 12/29/2025