NGK 4212 Iridium Spark Plug ILFR6GE Marine Mariner Mercury

4212 / ILFR6GE - NGK single iridium plugs were designed specifically for the performance enthusiast. Fine wire center electrode ensures high durability and a consistently stable spark. Iridium alloy has an extremely high melting point, perfect for today's high-tech, high performance engines.
Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
Corrugated ribs prevent flashover
Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
Copper core aids in heat removal
Triple seals prevent leakage

Shell
Thread Diameter: 14mm
Thread Pitch: 1.25mm
Seat Type: Gasket
Reach: 26.5mm (1.04")
Hex Size: 5/8" (16mm)
Terminal Type: Solid
Overall Height: ISO
Gap: .031" (0.8mm)

Center Electrode
Material: Iridium
Type: Fine Wire
Size: 0.6mm
Projection: Projected

Ground Electrode
Material: Platinum
Type: Standard

Specifications
Resistor: Yes
Resistor Value: 10k Ohm
Heat Range: 6
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

Marine Outboard

Mariner
135 Verado
Verado 150
Verado 175
200 Verado
225 Verado
250 Pro Verado
Verado 250
275 Verado
300 Pro Verado
Verado 300

Mercury
Verado 135, 4-Cyl Supercharged EFI
Verado 150, 4-Cyl Supercharged EFI
Verado 175, 4-Cyl Supercharged EFI
Verado 200, Pro Verado, 4 & 6 Cyl Supercharged EFI
Verado 225, 6-Cyl Supercharged EFI
Verado 250, Pro Verado, 6-Cyl Supercharged EFI
Verado 275, 6-Cyl Supercharged EFI
Verado 300, Pro Verado, 6-Cyl Supercharged EFI
Verado 350, Pro Verado, Sci, 6-Cyl Supercharged EFI
Verado 400, 6-Cyl Supercharged EFI

• Mfg Part No: 4212 ILFR6GE
• Related Part No: 4212 ILFR6GE