The Spark 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 electrical and heat conductivity for long spark plug service life
- Packaged in an attractive blister pack
- sold as pair
- Replaces H-D 4R5 or NGK B6L
Note
Fits Harley-Davidson Sportster XL 79-85