Drag Specialties Iridium Spark Plugs For Harley
These Iridium spark plugs offer the ultimate in spark plug technology and performance.
Features:

Iridium electrode is smaller than a standard electrode; requires less voltage

Hotter spark and extended spark plug service life compared to conventional plugs

Distinctive black ceramic with red lettering

Gold-colored corrosion-protected coating on the metal shell

Exceed OEM specifications for plug service life

Thread: 11/16″ / 17.5mm

Hex: 5/8″ / 16mm

Heat range 7

Sold in pairs

Replaces OEM 32317-86 / 32362-04