11 12 Cylinder Head with Valve Seat Cover, N18 Engine
CYLINDER HEAD WITH VALVE SEAT COVER SPECIFICATION
| Valve seat angle | ° | 45 |
| Correction angle: outer | ° | 15 |
| Correction angle, intake: inner | ° | 60 |
| Correction angle, exhaust: inner | ° | 75 |
| Valve seat width: Intake | mm | 0.8... 1.2 |
| Valve seat width: Exhaust | mm | 0.53... 1.03 |
| Ø Valve seat | ||
| Valve seat surface: Outside dia. inlet | mm | 28.2 +0.1 |
| Valve seat surface: Outside dia. exhaust | mm | 24.3 +0.1 |