Champion and NGK Spark Plugs

$3.50

spark plugs
The right spark plug for your Triumph is as important as any other part of your ignition system. As a general rule, Triumph 500/650/750 aluminum heads use a 3/4" reach plug. All Triumph iron heads use a 1/2" reach plug. Finding the correct heat range is up to the individual tuner. All plugs are priced each.
IMPORTANT NOTE ABOUT HEAT RANGES
Champion plugs heat range increases as the number
INCREASES
.

(higher number=hotter plug)

NGK plugs heat range increases as the number
DECREASES
.

(lower number=hotter plug)

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