DRAG SPECIALTIES Spark Plugs - '57-'78 XL E18-6660SDS Bionic Plus v2 Protection Jacket Hook-and-loop closure waist adjustment

Hook-and-loop closure waist adjustment

Impact-absorbing rubber inserts positioned to cushion the contact between part and engine cover

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

Structured crown and flex back hat Stretch twill main fabric

DRAG SPECIALTIES Spark Plugs - '57-'78 XL E18-6660SDS Bionic Plus v2 Protection Jacket Hook-and-loop closure waist adjustmentPlugs 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