Drag Specialties Spark Plug For Harley Sportster 1957-1978 Brand_Thundermax Patented reflector design enhances illumination

Patented reflector design enhances illumination for a bright

61 tooth rear basket

or give them an even more aggressive bite by removing the lock washers and installing the screws with heavy-duty Loctite®

All Boss Fat Cat full systems a equipped with heat shields

Drag Specialties Spark Plug For Harley Sportster 1957-1978 Brand_Thundermax Patented reflector design enhances illuminationFeatures Plugs 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