DRAG SPECIALTIES Spark Plugs - '48-'74 BT E18-6664SDS Midway Drag Pipe Mount Clamp Scavenge side discharge was improved

Scavenge side discharge was improved by modifying the suction ratio to help eliminate sumping from excess oil in the crankcase

This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided

2019-2022 Harley-Davidson Electra Glide Standard EFI FLHTI - - 2000 Harley-Davidson Screamin' Eagle Road Glide FLTRSE-I - - 1999-2022 Harley-Davidson Road King EFI FLHR - - 1999-2021 Harley-Davidson Electra Glide Police FLHTPI - - 1999-2019 Harley-Davidson Electra Glide Ultra Classic EFI FLHTCUI - - 1999-2013 Harley-Davidson Road King Classic EFI FLHRC - - 1999-2013 Harley-Davidson Electra Glide Classic EFI FLHTCI - - 1999-2009 Harley-Davidson Road Glide EFI FLTR - - 1999-2006 Harley-Davidson Electra Glide Standard FLHT - - 1999-2006 Harley-Davidson Road Glide FLTR - - 1999-2006 Harley-Davidson Electra Glide Ultra Classic FLHTCU - - 1999-2006 Harley-Davidson Road King FLHR - - 1999-2006 Harley-Davidson Electra Glide Classic FLHTC - - 1999-2006 Harley-Davidson Electra Glide Police FLHTP - -

Not for use on '13-'16 CVO and '14-'16 Dresser models w/ hydraulic clutch

DRAG SPECIALTIES Spark Plugs - '48-'74 BT E18-6664SDS Midway Drag Pipe Mount Clamp Scavenge side discharge was improvedPlugs have a unique look with their black ceramic body and bold red logo script Insulator is made of 95% pure alumina and 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