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 | |||
|---|---|---|---|---|
| 1965-1974 | Harley-Davidson | Electra Glide FL | - | - |
| 1949, 1950, 1951, 1953, 1954, 1955, 1956, 1957 | Harley-Davidson | Hydra Glide FL | - | - |
| 1958-1964 | Harley-Davidson | FLH Duo-Glide | - | - |
| 1971-1974 | Harley-Davidson | FX Super Glide | - | - |
| 1949-1952 | Harley-Davidson | EL | - | - |
| 1974 | Harley-Davidson | FXE Super Glide | - | - |
| 1965-1969 | Harley-Davidson | 1200 Electra Glide FLH | - | - |
| 1970-1974 | Harley-Davidson | FLH Electra Glide | - | - |
| 1948 | Harley-Davidson | FL | - | - |
| 1958-1964 | Harley-Davidson | Duo Glide FL | - | - |
| 1953-1957 | Harley-Davidson | Hydra Glide EL | - | - |
