With close to a century at the forefront of spark plug engineering, serving as the original equipment manufacturer for many of the world's leading vehicle brands and a track record of high-performance development in association with international motorsports, teams and aftermarket part suppliers, NGK are a truly world-class manufacturer with a firm commitment to advancing the state-of-the-art in automotive, marine, motorcycle and powersports spark plugs.

IZFR6K-11

Aimed squarely at the performance enthusiast, the NGK 6994 IZFR6K-11 Laser Iridium spark plug utilises superior design and technology to deliver improved ignition, faster throttle response, better fuel economy and a longer service life. The trivalent properties of its iridium tip allow the IZFR6K-11 to deliver a more consistent spark between even longer service intervals of up to 160,000km. Iridium also has a melting point close to 1000-degrees Celsius higher than the nickel utilized in conventional alternatives and provides excellent anti-corrosion and anti-seizing properties. These plugs also feature a solid copper core conductor for improved heat transfer, a pure alumina silicate ceramic insulator for increased durability, corrugated ribs to prevent flashover and triple seals to eliminate leakage. The NGK 6994 IZFR6K-11 Laser Iridium spark plug is the ideal choice for modern high-efficiency and high-performance engines, ensuring an optimal spark in even the most demanding applications.

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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: .043" (1.1mm)

Centre Electrode

Material: Iridium

Type: Fine Wire

Size: 0.6mm

Projection: Extended Projection

Ground Electrode

Material: Platinum

Type: Standard

Shape: Trapezoid

Quantity: 1

Specifications

Resistor: Yes

Resistor Value: 5k Ohm

Heat Range: 6

Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminium: 18-21.6 lb. ft.

Part Information

Brand: NGK/NTK

Warranty: 60 Days

Longevity: 160000km