The NGK 2438 V-Power Nickel spark plug is a replacement plug for 1952-1986 Ford, Mercury and Lincoln models. It has M18-1.5 threads, a 0.429 in. reach, a 13/16 in. hex and a heat range of 5. A V-groove cut in the nickel alloy center electrode improves ignitability over a flat-tip nickel plug.

NGK 2438 V-Power Nickel Spark Plug Features:

• Fits 1952-1986 Ford, Mercury and Lincoln models; see Fitment tab for all applications
• M18-1.5 metric thread with 0.429 in. reach
• 13/16 in. hex
• Tapered seat
• Heat range 5
• 0.040 in. factory pre-gap
• Nickel center electrode tip with nickel ground electrode tip
• Resistor type (5000 ohm) for ignition noise suppression
• Removable nut terminal
• 2.310 in. insulator height
• V-groove cut in the nickel alloy center electrode improves ignitability over a flat-tip nickel plug
• Copper core center electrode draws heat away from the firing end
• Alumina silicate ceramic insulator for high dielectric strength
• Trivalent metal plating resists corrosion and thread seizing
• Intended for engines that originally used nickel alloy plugs, not as a replacement for factory precious metal plugs
• Sold individually