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: Today

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: Today

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

Part Number: NGK-3689

5.0 out of 5 stars ( 10 )

Estimated Ship Date: Today

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .984 in. Reach, Resistor, Each

Part Number: NGK-4344

5.0 out of 5 stars ( 6 )

Estimated Ship Date: Today

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

Part Number: NGK-2238

5.0 out of 5 stars ( 19 )

Estimated Ship Date: Today

Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 0.708 in. Reach, Tapered Seat, Each

Part Number: NGK-94567

5.0 out of 5 stars ( 9 )

Estimated Ship Date: Today

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

Part Number: NGK-3186

4.93 out of 5 stars ( 28 )

Estimated Ship Date: Today

Spark Plug, Laser Iridium, Tapered Seat, 14mm Thread Size, 25mm Reach, Resistor, Each

Part Number: NGK-91418

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Spark Plugs, Ruthenium HX, Platinum, Resistor, 14mm Thread Size, 25mm Reach, Tapered Seat, Each

Part Number: NGK-90220

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Today

Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, 1.043 in. Reach, Resistor, Each

Part Number: NGK-5019

5.0 out of 5 stars ( 4 )

Estimated Ship Date: Today

Spark Plug, G-Power Platinum, Tapered Seat, 14mm Thread, 0.690 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-5141

4.75 out of 5 stars ( 8 )

Estimated Ship Date: Today

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: Today

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

Part Number: NGK-92714

Not Yet Reviewed

Estimated Ship Date: Today

Spark Plug, Laser Iridium, Tapered Seat, 14mm Thread Size, 0.708 in. Reach, Resistor, Cadillac, Chevrolet, Ford, Each

Part Number: NGK-90156

Not Yet Reviewed

Estimated Ship Date: Sep 22, 2025 if ordered today

• Special Order

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

Part Number: NGK-3474

Not Yet Reviewed

Estimated Ship Date: Aug 29, 2025 if ordered today

• Special Order