NGK 4462 IZFR6J Laser Iridium Spark Plug

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: 19mm (3/4")
Hex Size: 5/8" (16mm)
Terminal Type: Solid
Overall Height: ISO
Gap: .031" (0.8mm)

Center Electrode

Material: Iridium
Type: Fine Wire
Size: 1.0mm
Projection: Extended Projection

Ground Electrode

Material: Platinum
Type: Standard

Specifications

Resistor: Yes
Resistor Value: 5k Ohm
Heat Range: 6
Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

Mercury

Optimax 150XS Pro, 2.5L
Optimax 175XS Pro
Optimax 3.0L DSI, Diesel Spark Ignition
Optimax JP 3.0L, Multi-Fuel Engine
Optimax 3.0L Pro XS, 3.0L DFI
Optimax 225XS Pro, Sport XS, XS
Optimax 250
Optimax 250XS Pro, Sport XS, 250XS, 2.5XS

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