Drag Specialties ignition BPR4ES - 11 Spark plugRef : DRG03084A / 21030198

DRAG SPECIALTIES – Spark Plug BPR4ES-11 (manufacturer part no. E18-6657SDS). Designed for Vintage/Classic and Road/Touring universes, this spark plug features a refined design with a black ceramic body and distinctive red markings, intended for Harley Dyna engines and other atmospheric single-cylinder/dual-cylinder engines.

• Insulator: 95% pure alumina, highly resistant to thermal shock; ribbed profiles to limit the risk of flashover.
• Shell: nickel-plated to reduce oxidation and corrosion on the threads and the mass.
• Electrode: copper core for good electrical and thermal conductivity; nickel alloy tip and uniquely configured ground electrode, standard shape.
• Sealing: multi-layer gaskets and thermal crimping ensuring gas and liquid tightness in the combustion chamber.
• Terminal: removable nut to facilitate installation according to the orientation of the spark plug head.

This BPR4ES-11 spark plug is aimed at riders seeking a reliable and well-finished ignition part for their classic or touring machine. Its construction emphasizes durability, heat resistance, and compatibility for installation on common cylinder heads.

Common compatibilities:

• Harley-Davidson FXDX 1450 Dyna Super Glide Sport (1999)
• Harley-Davidson FXDWG 1450 Dyna Wide Glide (1999)
• Harley-Davidson FXDL 1450 Dyna Low Rider (1999)