NGK 5024 Standard Copper Core Spark Plug

NGK Standard spark plugs (in the iconic NGK 'yellow box' packaging) are a proven OE cornerstone and technology customers have relied on for decades. Engineered specifically for OE applications, NGK Standard spark plugs provide OE quality nickel alloy reliable performance and design.

Key Features:

• 98% pure copper core delivers increased heat dissipation for more reliable starts and reduced risk of overheating
• Specially designed v-groove center electrode, improving ignitability and reducing quenching
• High grade alumina silicate ceramic creates a stronger insulator for optimal dielectric performance, while triple gasket sealing prevents combustion gas leakage
• Trivalent metal plating ensures superior anti-corrosion and anti-seizing properties
• Cold-rolled threads prevent cross-threading and damage to cylinder heads

Specifications:

• Thread Size: M14 x 0.500 inch reach
• Hex Size: 21mm (13/16 inch)
• Preset Gap: 0.040 inch (1mm)
• Heat Range: 4
• Resistor Value: 5000 Ohm
• Torque Specs - Cast Iron: 18-25.3 lb-ft; Aluminum: 18-21.6 lb-ft

Best for vehicles with OE nickel alloy plugs, not recommended on vehicles with factory precious metal plugs. Suitable for non-automotive applications including snowmobiles, motorcycles, jet skis, lawn mowers and more.