- Precision-machined from nickel bronze
- Nickel content of 5% produces superior resistance to wear, and the approximately 80% copper content delivers outstanding heat conductivity
- Compatible with no-lead fuel and accept any type of valve-stem material
- Accept special valve guide seals (sold separately)
- Made in the USA
| Compatible Vehicles | |||
| Years | Make | Make | Notes |
| 1983 | Harley-Davidson | Disc Glide FXDG | |
| 1979-1981 | Harley-Davidson | Electra Glide Classic FLHC | |
| 1983 | Harley-Davidson | Electra Glide Classic FLHTC | |
| 1978-1983 | Harley-Davidson | Electra Glide FLH | |
| 1980-1981 | Harley-Davidson | Electra Glide Sport FLHS | |
| 1979-1981 | Harley-Davidson | Fat Bob FXEF | |
| 1982-1983 | Harley-Davidson | Low Glide FXRS | |
| 1978-1982 | Harley-Davidson | Low Rider FXS | |
| 1983 | Harley-Davidson | Low Rider FXSB | |
| 1983 | Harley-Davidson | Sport Glide FXRT | |
| 1980-1982 | Harley-Davidson | Sturgis FXB | |
| 1978-1983 | Harley-Davidson | Super Glide Electric Start FXE | |
| 1978 | Harley-Davidson | Super Glide FX | |
| 1982-1983 | Harley-Davidson | Super Glide II FXR | |
| 1981-1983 | Harley-Davidson | Tour Glide Classic FLTC | |
| 1980-1983 | Harley-Davidson | Tour Glide FLT | |
| 1980-1983 | Harley-Davidson | Wide Glide FXWG | |