DRAG SPECIALTIES Spark Plugs - '57-'78 XL E18-6660SDS Bionic Plus v2 Protection Jacket High-quality external/internal construction

High-quality external/internal construction

stem for drag or custom type bars

Hook-and-loop closure waist adjustment

Ergonomic stretch insert between thumb and palm offers flexibility

DRAG SPECIALTIES Spark Plugs - '57-'78 XL E18-6660SDS Bionic Plus v2 Protection Jacket High-quality external/internal constructionPlugs have a unique look with their black ceramic body and bold red logo script Insulator is made of 95% pure alumina; features strong resistance to heat shock and superior insulation Multi rib design of insulator eliminates flashover Nickel plated housing prevents oxidation and corrosion Multilayer gaskets and heat crimping process ensure a leak free, gas tight fit Copper core electrode prevents oxidation and corrosion and has good electrical and