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Bosch USR7AC
Bosch copper core spark plugs feature a heavy-duty nickel center electrode for longer lasting service life compared to standard copper plugs.
| Fill Gap Size | : | 0.5 mm |
| Electrode | : | Nickel Core, Nickel-Chromium Tip |
| Thread Size | : | 10 mm Dia |
| Hex Size | : | 5/8 in |
- Heavy-duty nickel center electrode for longer life
- Copper core provides better heat transfer
- Ceramic and non-projected insulator