2d:[["XLH1000",{"years":[1985,1984,1983,1982,1981,1980,1979],"rideType":"Street"}],["XLS Roadster",{"years":[1985,1984,1983,1982,1981,1980,1979],"rideType":"Street"}],["XLX-61",{"years":[1985,1984,1983],"rideType":"Street"}],["XR1000",{"years":[1985,1984,1983],"rideType":"Street"}],["XL",{"years":[1984,1983,1982,1981,1980,1979],"rideType":"Street"}],["XLCH",{"years":[1979],"rideType":"Street"}]] 2c:[["Harley Davidson","$Q2d"]] 2e:T47a,

NGK Spark Plugs For Harley

NGK spark plugs have a v-groove center electrode that improves ignitability and reduces quenching. The 98% pure copper core allows for greater heat dissipation, resulting in more dependable starts and a lower danger 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