NGK 4578 Nickel Spark Plug CR7E

4578 / CR7E - NGK standard plugs are constructed for longer life and optimum performance.

Shell
• Thread Diameter: 10mm
• Thread Pitch: 1.0mm
• Seat Type: Gasket
• Reach: 19mm (3/4")
• Hex Size: 5/8" (16mm)
• Terminal Type: Threaded Stud
• Overall Height: ISO
• Gap: .031" (0.8mm)

Center Electrode
• Material: Nickel
• Type: Standard
• Size: 2.5mm
• Projection: Non-Projected

Ground Electrode
• Material: Nickel
• Type: Standard

Specifications
• Resistor: Yes
• Resistor Value: 5k Ohm
• Heat Range: 7
• Torque Specs: Cast Iron: 7.2-10.8 lb. ft. Aluminum: 7.2-8.7 lb. ft.

• Mfg Part No: 4578 CR7E-4578
• Related Part No: CR7E 4578 CR7E-4578