CHEVROLET Chevy small block Gen I Spark Plugs

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: Tomorrow

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7401

4.78 out of 5 stars ( 9 )

Estimated Ship Date: Tomorrow

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7177

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7355

5.0 out of 5 stars ( 7 )

Estimated Ship Date: Tomorrow

Spark Plug, Iridium XP Enhanced Alloy, Resistor, 14mm x 1.25, Tapered Seat, 0.750 in, Reach, Each

Part Number: ATL-XP3924

4.67 out of 5 stars ( 3 )

Estimated Ship Date: Tomorrow

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

Part Number: NGK-5599

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7516

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .750 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-6341

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Spark Plug, Iridium IX, Gasket Seat, 14mm Thread, .375 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7189

5.0 out of 5 stars ( 3 )

Estimated Ship Date: Jan 13, 2026 if ordered today

Spark Plug, Iridium IX, Tapered Seat, 14mm Thread, .460 in. Reach, Projected Tip, Resistor, Each

Part Number: NGK-7559

5.0 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Spark Plug, XP, Copper Core, Tapered Seat, 14mm Thread, 0.708 in. Reach, Projected Tip, Non-resistor, Each

Part Number: ATL-XP104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Spark Plug, Iridium XP Enhanced Alloy, Resistor, 14mm x 1.25, Tapered Seat, 0.431 in, Reach, Each

Part Number: ATL-XP24

4.5 out of 5 stars ( 2 )

Estimated Ship Date: Tomorrow

Spark Plug, Double Platinum, Tapered Seat, 14mm Thread, 17.5mm Reach, Resistor, Each

Part Number: BCH-8104

5.0 out of 5 stars ( 1 )

Estimated Ship Date: Tomorrow

Spark Plug, OE Iridium, Iridium, 14mm Thread, 0.750 in. Reach, Tapered Seat, 5/8 in. Wrench Size, Each

Part Number: BCH-9601

5.0 out of 5 stars ( 5 )

Estimated Ship Date: Tomorrow

Spark Plug, Double Platinum, 18mm Reach, 5/8 in. Hex, Tapered Seat, Resistor, Each

Part Number: NGK-7740

Not Yet Reviewed

Estimated Ship Date: Tomorrow

Spark Plug, Double Platinum, Tapered Seat, 14mm Thread, 17.5mm Reach, Resistor, Each

Part Number: BCH-8102

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order

Spark Plug, Iridium Long Life, SK16PR-L11, 14mm Thread, 19.00mm Reach, Gasket Seat, Universal, Each

Part Number: DNP-3395

Not Yet Reviewed

Estimated Ship Date: Nov 11, 2025 if ordered today

• Special Order

Spark Plug, IX Iridium, 14mm Thread, 14mm Reach, 5/8 in. Hex, Tapered Seat, Resistor, Each

Part Number: NGK-7588

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Special Order

Spark Plug, PTR4G-15, Laser Platinum, 14mm Thread, 0.708 in. Reach, Tapered Seat, 5/8 in. Hex, Each

Part Number: NGK-1209

Not Yet Reviewed

Estimated Ship Date: Jan 15, 2026 if ordered today

• Special Order

Spark Plug, Iridium Long Life, SK16PR-F8, 14mm Thread, 19.00mm Reach, Gasket Seat, Universal, Each

Part Number: DNP-3435

Not Yet Reviewed

Estimated Ship Date: Tomorrow if ordered today

• Special Order