NGK 5899 Laser Iridium Spark Plug IZFR5J

5899 / IZFR5J - NGK Laser Iridium spark plugs provide superior ignitability and long service life. Fine wire iridium tipped center electrode and fine wire platinum tipped ground electrode ensures slow wear rate providing stable idle, superior anti fouling, improved fuel efficiency and lower emissions.

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: .031" (0.8mm)

Center Electrode
• Material: Iridium
• Type: Fine Wire
• Size: 1.0mm
• Projection: Extended Projection

Ground Electrode
• Material: Platinum
• Type: Standard

Specifications
• Resistor: Yes
• Resistor Value: 5k Ohm
• Heat Range: 5
• Torque Specs: Cast Iron: 18-25.3 lb. ft. Aluminum: 18-21.6 lb. ft.

• Mfg Part No: 5899 IZFR5J
• Related Part No: 5899 IZFR5J