Spark Plugs - '71-'85 XL ENGINE AND COMPONENTS_TWIN POWER as well as three various

as well as three various rise heights

Improved stiffness and weight

Manufacturer Part Number: 102-30-10005-06

This is not a simple flash tuner so professional installation is highly recommended

Manufacturer Part Number: 301694-BC105

Spark Plugs - '71-'85 XL ENGINE AND COMPONENTS_TWIN POWER as well as three variousPlugs 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