Drag Specialties ignition Spark plugRef : DRG03087A / 21030206

Spark Plug DRAG SPECIALTIES — Manufacturer's ref: E18-6660SDS. Designed for Harley roadsters and Sportsters, this spark plug features a distinctive look with a black ceramic body and a red logo. Intended for classic ignition systems, it provides the necessary design elements for a reliable spark and robust connectivity between the cylinder head and the ignition cable.

• Black ceramic body with distinctive red logo for a neat finish.
• Pure alumina insulator (95%) offering good resistance to thermal shocks and high insulation.
• Multi-ribbed insulator designed to limit lateral flashovers.
• Nickel-plated casing reducing oxidation and corrosion in engine environments.
• Multi-layer seals and hot crimping ensuring mechanical sealing between components.
• Copper core electrode for high electrical and thermal conductivity and improved longevity.
• Configuration: single ground electrode, standard shape; threaded terminal for classic mounting.
• Tip material: nickel alloy. Temperature range: 6 (manufacturer's data).

Main compatibilities (examples): Harley-Davidson XLT 1000 Sportster (1978), XLS 1000 Roadster (1978), XLH 1000 Sportster (1978). Check the original reference on your cylinder head or in the maintenance sheet before replacement.