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Performance & Replacement Spark Plugs

Fire up your engine with power-packed strokes and increased combustion pressure by adding top-quality spark plugs to your racing or street machine. Whether your car...

Fire up your engine with power-packed strokes and increased combustion pressure by adding top-quality spark plugs to your racing or street machine. Whether your car is foreign or domestic, we have a massive assortment of performance and replacement spark plug options from which to choose. Select from the industry’s leading brands, including E3 Spark Plugs, NGK, Champion, Bosch, ACDelco, Fram, ACCEL, Autolite, Ford Racing, Motorcraft, and many more! With options for virtually any type of electrode core and tip material, we have the spark plugs to keep your pistons firing run after run!

Fire up your engine with power-packed strokes and increased combustion pressure by adding top-quality spark plugs to your racing or street machine. Whether your car is foreign or domestic, we have a massive assortment of performance and replacement spark plug options from which to choose. Select from the industry’s leading brands, including E3 Spark Plugs, NGK, Champion, Bosch, ACDelco, Fram, ACCEL, Autolite, Ford Racing, Motorcraft, and many more! With options for virtually any type of electrode core and tip material, we have the spark plugs to keep your pistons firing run after run!

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Results 1 - 10 of 10

ACDelco GM Genuine Parts Iridium Spark Plugs 12681664

ACDelco GM Genuine Parts Iridium Spark Plugs 12681664

ACDelco GM Genuine Parts Iridium Spark Plugs 12681664

Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-101

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ACDelco GM Genuine Parts Iridium Spark Plugs 12681663

ACDelco GM Genuine Parts Iridium Spark Plugs 12681663

ACDelco GM Genuine Parts Iridium Spark Plugs 12681663

Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-41-103

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ACDelco GM Genuine Parts Iridium Spark Plugs 12681660

ACDelco GM Genuine Parts Iridium Spark Plugs 12681660

ACDelco GM Genuine Parts Iridium Spark Plugs 12681660

Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, 0.984 in. Reach, Resistor, Each

Part Number: ADO-41-109

3.67 out of 5 stars ( 3 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ACDelco GM Genuine Parts Iridium Spark Plugs 12681656

ACDelco GM Genuine Parts Iridium Spark Plugs 12681656

ACDelco GM Genuine Parts Iridium Spark Plugs 12681656

Spark Plug, Iridium Tip, Copper Core, Gasket Seat, 16mm Wrench Diameter, One Ground Strap, 0.748 in. Reach, Each

Part Number: ADO-41-121

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

ACDelco GM Genuine Parts Iridium Spark Plugs 12681658

ACDelco GM Genuine Parts Iridium Spark Plugs 12681658

ACDelco GM Genuine Parts Iridium Spark Plugs 12681658

Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, 1.000 in. Reach, Resistor, Each

Part Number: ADO-41-108

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Today

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Estimated Ship Date: Today

ACDelco GM Genuine Parts Iridium Spark Plugs 12681662

ACDelco GM Genuine Parts Iridium Spark Plugs 12681662

ACDelco GM Genuine Parts Iridium Spark Plugs 12681662

Spark Plug, Iridium Tip, Tapered Seat, 14mm Thread, 0.708 in. Reach, Resistor, Each

Part Number: ADO-41-100

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

ACDelco GM Genuine Parts Iridium Spark Plugs 12681659

ACDelco GM Genuine Parts Iridium Spark Plugs 12681659

ACDelco GM Genuine Parts Iridium Spark Plugs 12681659

Spark Plug, Iridium Tip, Copper Core, Tapered Seat, 16mm Wrench Diameter, One Ground Strap, 0.984 in. Reach, Each

Part Number: ADO-41-125

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Chevrolet Performance Spark Plugs 12681664

Chevrolet Performance Spark Plugs 12681664

Chevrolet Performance Spark Plugs 12681664

Spark Plug, Iridium Style, Copper Core, 14mm Thread, 0.679 in. Reach, Heat Range 4, Resistor Plug, Tapered Seat, Each

Part Number: NAL-12681664

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

ACDelco GM Genuine Parts Iridium Spark Plugs 12681655

ACDelco GM Genuine Parts Iridium Spark Plugs 12681655

ACDelco GM Genuine Parts Iridium Spark Plugs 12681655

Spark Plug, Iridium Tip, Copper Core, Gasket Seat, 16mm Wrench Diameter, One Ground Strap, 0.748 in. Reach, Each

Part Number: ADO-41-122

Not Yet Reviewed

Estimated Ship Date: Today

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Estimated Ship Date: Today

Chevrolet Performance Spark Plugs 12625058

Chevrolet Performance Spark Plugs 12625058

Chevrolet Performance Spark Plugs 12625058

Spark Plug, Tapered Seat, Iridium Tip, 14mm Thread, Resistor, Buick, Chevy, GMC, Hummer, Isuzu, Saturn, Each

Part Number: NAL-12681663

Not Yet Reviewed

Estimated Ship Date: Aug 4, 2026 if ordered today

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Estimated Ship Date: Aug 4, 2026 if ordered today

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