NGK spark plug R5671A-8 Racing 4554

NGK spark plug R5671A-8 Racing 4554

Technical specifications

• NGK part number: 4554
• Series: Racing
• Type: R5671A-8
• Thread: M14 x 1.25 mm
• Thread length: 19 mm (0.750")
• Seat type: flat (with gasket)
• Wrench size: 16 mm (5/8")
• Center electrode: nickel with V-groove
• Ground electrode: nickel standard
• Spark gap: 0.8 mm (0.031")
• Resistance: none (without resistor)
• Thermal range: 8
• Tip type: solid
• Insulator: aluminum oxide
• Sealing: copper gasket
• Tightening torque
  • Cast iron head: 24.4-34.3 Nm
  • Alu headminiowa: 24.4-29.3 Nm