Champion RM77N .020 641 Spark Plug
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3.1 / 5 Overall | |
| Champion | RM77N .020 |
| Brand | Code |
|---|---|
3.0 / 5 Materials | |
| Copper | Copper |
| Ground electrode | Center electrode |
3.3 / 5 Design | |
| Multi-Ground | Oversized |
| Ground type | Center type |
| 0.5mm (.020") | 77 |
| Gap | Heat range |
|---|---|
| ⌀18mm | 1.5mm |
| Thread diameter | Thread pitch | 13.5mm (.531") | 22mm (7/8") |
| Reach | Hex size |
| Gasket | Removable Nut |
| Seat | Terminal |
| 4 | Non-Projected |
| Ground count | Projection |