Genuine OEM Nissan Silvia spark plug well gasket seasl (suit 180SX/S13 & S14/S15).
Leaks from the valve cover gaskets/seals need to be addressed as it can cause damage to other engine components (belts, hoses etc.) or even cause engine misfires, from oil leaking into the spark plug tubes.
| Vehicle Applications |
| Manufacturer | Make | Model | Engine |
| Nissan | Silvia | S13 | SR20DET |
| Nissan | 180SX | RPS13 | SR20DET |
| Nissan | 200SX | S14 | SR20DET |
| Nissan | 200SX | S15 | SR20DET |