DRAG SPECIALTIES Spark Plugs - '57-'78 XL E18-6660SDS Bionic Plus v2 Protection Jacket Video shows standard Exhaust (non

Video shows standard Exhaust (non EVR with similar silencer)

Structured crown and flex back hat Stretch twill main fabric

Ergonomic stretch insert between thumb and palm offers flexibility

2 lbsDB at Idle 103 / DB at 5000rpm : 104

Hook-and-loop closure waist adjustment

DRAG SPECIALTIES Spark Plugs - '57-'78 XL E18-6660SDS Bionic Plus v2 Protection Jacket Video shows standard Exhaust (nonPlugs 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