Description
Features
- 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
| Position | Notes | |||
|---|---|---|---|---|
| 1958-1978 | Harley-Davidson | XLCH | - | - |
| 1959-1971 | Harley-Davidson | XLH900 | - | - |
| 1972-1978 | Harley-Davidson | XLH1000 | - | - |
| 1957-1958 | Harley-Davidson | Sportster 900 XLH | - | - |
| 1977-1978 | Harley-Davidson | XLCR Cafe Racer | - | - |
| 1977-1978 | Harley-Davidson | XLT | - | - |
