Genuine NGK 7543 CMR7A Spark Plug Resistor Lawnmower

Genuine NGK 7543 CMR7A Spark Plug Resistor

NGK standard plugs are constructed for longer life and optimum performance.

Trivalent metal plating provides superior anti-corrosion and anti-seizing properties.

Corrugated ribs prevent flash over.

Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer.

Copper core aids in heat removal

Triple seals prevent leakage.

Thread Diameter 10mm

Thread Pitch 1.0mm

Seat Type – Gasket

Reach – 9.5mm or 3/8”

Hex Size 5/8” or 16mm

Terminal Type – Solid

Overall Height – Bantam

Gap – .028 or 0.7mm

Material – Nickel

Type – Standard

Resistor – Yes

Resistor Value – 10k Ohm

Heat Range – 7

Torque Space. Cast Iron 7.2-10.8 Ft. Lbs. Aluminum 7.2-8.7 Ft. Lbs.