DRAG SPECIALTIES Spark Plugs, Iron XL — 14 mm thread, projected center electrode, heat range 6 – 79-85 Sportster

Bring distinctive style and reliable performance to your ride. ⚡

These spark plugs feature a black ceramic body with a bold red logo and script for a unique look. The insulator is made from 95% pure alumina, providing strong resistance to heat shock and superior insulation. A multi-rib insulator design eliminates flashover for consistent ignition.

The nickel-plated housing helps prevent oxidation and corrosion, while multilayer gaskets combined with a heat-crimping process ensure a leak-free, gas-tight fit. The copper core electrode resists oxidation and offers excellent electrical and thermal conductivity for long spark plug service life.

Engineered for dependable starts and steady performance on the road. 🔥