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

Spark Plug, V-Power, Tapered Seat, M14 x 1.25 Thread, 0.709 in. Reach, 5/8 in. Hex, 0.039 in. Gap Preset, 6 Heat Range, Projected Tip, Resistor, Each

Part Number: NGK-4177

4.91 out of 5 stars ( 58 )

Estimated Ship Date: Monday 8/4/2025

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: Monday 8/4/2025

Spark Plug, Laser Platimun, Projected Tip, 14mm Thread, 0.708 in. Reach, Tapered Seat, Each

Part Number: NGK-3784

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Monday 8/4/2025

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

Part Number: NGK-3474

Not Yet Reviewed

Estimated Ship Date: Oct 2, 2025 if ordered today

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