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

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NGK Laser Iridium Spark Plugs IZTR5B11

Spark Plug, IZTR5B11, Laser Iridium, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Hex, Each

Part Number: NGK-1465

4.84 out of 5 stars ( 25 )

Estimated Ship Date: Dec 31, 2025 if ordered today

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Estimated Ship Date: Dec 31, 2025 if ordered today

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3 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

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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 )

Estimated Ship Date: Tomorrow

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Estimated Ship Date: Tomorrow

Spark Plug, Laser Iridium, Tapered Seat, 14mm Thread, 26.5mm Reach, Resistor, Each

Part Number: NGK-3474

Not Yet Reviewed

Estimated Ship Date: Jan 5, 2026 if ordered today

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Estimated Ship Date: Jan 5, 2026 if ordered today