NGK Spark Plugs For Harley Sportster 1979-1985

NGK Spark Plugs For Harley

NGK spark plugs feature a specially designed v-groove center electrode, improving ignitability and reducing quenching. The 98% pure copper core delivers increased heat dissipation for more reliable starts and reduced risk of overheating.

Features:

• Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
• Pure alumina silicate ceramic insulator, provides superior strength and better heat transfer
• Triple seals prevent leakage
• Corrugated ribs prevent flashover
• Copper core aids in heat removal
• Thread reach 12.7 MM (1/2")
• Hex size 20.6 MM (13/16")
• Heat range 6
• Spark gap 0.7 MM (0,028")
• Electrical resistance 5K OHMS
• Sold individually