NGK SPARK PLUG CR7HIX 7544

The NGK CR7HIX spark plug (Manufacturer Part Number 7544, SKU 37-CR7HIX) is a performance-grade Iridium IX plug designed to deliver enhanced durability and stable ignition for high-tech, high-performance engines, with a copper core, iridium fine-wire electrode, and advanced coatings to resist corrosion and flashover.

Features

• Fine-wire iridium center electrode for consistent spark and high durability


• Iridium alloy electrode with a very high melting point suitable for modern high-efficiency engines


• Trivalent metal plating for enhanced anti-corrosion and anti-seizing characteristics


• Corrugated ribs on the insulator to prevent flashover


• Pure alumina silicate ceramic insulator providing superior strength and heat transfer


• Copper core for effective heat dissipation


• Triple seals to prevent leakage


• Resistor type to suppress interference

Specifications

• Hex size: 5/8 inch (16mm)


• Thread diameter: 10mm


• Thread reach: 1/2 inch (12.7mm)


• Projected insulator type


• Resistor value: approximately 5kO


• Heat range: 7


• Gap size: 0.028in (0.7mm)


• Center electrode tip: fine iridium, 0.6mm diameter


• Ground electrode: single tapered cut nickel


• Seat type: gasket (flat)

Vehicle Fitments

• 1959–1965 Honda C100 Super Cub 50


• 1960–1961 Honda C102 Super Cub


• 1962–1963 Honda C105T Trail


• 1960–1962 Honda C110 Super Sports Cub 50


• 1980–1983 Honda C70 Passport


• 1964–1969 Honda CA100 (including CA100T Trail)


• 1964–1969 Honda CA102


• 1962–1969 Honda CA110 Sport


• 1997–2007 Honda CH80 Elite


• 1970–1972 Honda CL70K Scrambler


• 1978–1979 Honda CM185T Twinstar