Pour Sportster de 1957 à 1978. La paire
Conventional style spark plugs, available in the OEM heat ranges
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 for easy display
Sold in pairs