AUTOLITE SPARK PLUGS FOR ALL HARLEY DAVIDSON MODELS
WEIGHT: 0.59- ALUMINUM OXIDE INSULATOR FOR HIGH THERMAL CONDUCTIVITY , HIGH DIELECTRIC STRENGTH AND PRECISE HEAT RANGE CONTROL
- TAPERED CHROME NICKEL ALLOY TIP CREATES A GREATER SPARK , PRECISE HEAT RANGE CONTROL AND BETTER ACCELERATION
- TERMINAL POST BONDED TO CENTER ELECTRODE FOR GAS TIGHTNESS AND FULL VOLTAGE
- COPPER CORE CENTER ELECTRODE FOR BETTER FOULING RESISTANCE
- AVAILABLE IN IRIDIUM PLUGS WHICH ARE THE ULTIMATE IN SPARK PLUG TECHNOLOGY
- IRIDIUM IS SIX TIMES HARDER THAN PLATINUM AND IS HEAT RESISTANT TO TEMPERATURES UP TO 4000° F
- THE IRIDIUM ELECTRODE IS 25% SMALLER THAN A PLATINUM ELECTRODE AND IS 75% SMALLER THAN A CONVENTIONAL NICKEL ELECTRODE
- THE MICRO-ELECTRODE REDUCES VOLTAGE REQUIREMENTS AND EXTENDS IGNITION LIFE
AUTOLITE
STANDARD , .040 GAP , PACK OF 4
FITS 1340CC SHOVELHEAD 1982/1984
REPLACES HD CODE 5RL
REPLACES HD# 32312-78A