CHEVROLET Chevy small block Gen III/IV (LS-based engines) Spark Plugs

Spark Plug, RAPIDFIRE Performance Platinum, Tapered Seat, 14mm Thread, Resistor, Each

Part Number: ADO-6

5.0 out of 5 stars ( 10 )

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

Part Number: ADO-41-104

5.0 out of 5 stars ( 3 )

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Spark Plug, RS14YC6, Copper Plus, 14mm Thread, .708 in. Reach, Resistor, Each

Part Number: CPN-13

4.5 out of 5 stars ( 4 )

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Spark Plug, Copper, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: ADO-R44LTSM6

5.0 out of 5 stars ( 1 )

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Spark Plug, Iridium, Gasket Seat, 14mm Thread, .708 in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-9404

5.0 out of 5 stars ( 5 )

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Spark Plug, RS9YC, Copper Plus, 14mm Thread, .689 in. Reach, Resistor, Each

Part Number: CPN-304

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

Part Number: CPN-7983

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Spark Plug, RE7PYP6, Double Platinum, Tapered Seat, 14mm Thread, 0.984 in. Reach, Resistor, Each

Part Number: CPN-7437

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Estimated Ship Date: Nov 24, 2025 if ordered today

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

Part Number: CPN-3401

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Estimated Ship Date: Nov 24, 2025 if ordered today

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Spark Plug, Iridium, Gasket Seat, 14mm Thread, .689in. Reach, Projected Tip, Resistor, Each

Part Number: CPN-9808

Not Yet Reviewed

Estimated Ship Date: Nov 24, 2025 if ordered today

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