8 Plugs of NGK Iridium IX Spark Plugs CR9EIX/3521
You Are Purchasing 8 NGK Spark Plugs
- Shell
- Thread Diameter 10mm
- Thread Pitch 1.0mm
- Seat Type Gasket
- Reach 19mm (3/4")
- Hex Size 5/8" (16mm)
- Terminal Type Removable Nut
- Overall Height ISO
- Gap .031" (0.8mm)
- Center Electrode
- Material Iridium
- Type Fine Wire
- Size 0.6mm
- Projection Non-Projected
- Ground Electrode
- Material Nickel
- Type Standard
- Shape Taper Cut
- Quantity 1
- Specifications
- Resistor Yes
- Resistor Value 5k Ohm
- Heat Range 9
- Torque Specs Cast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft
- Longevity 50k Miles
NGK IX Iridium Series plugs were designed specifically for the performance enthusiast. A 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