11 12 Cylinder Head with Valve Seat Cover N63O1 B40 B44
CYLINDER HEAD WITH VALVE SEAT COVER SPECIFICATION
| Valve seat angle | ° | 45 |
| Correction angle: outer | ° | 35 |
| Correction angle: inner | ° | 55 |
| Valve seat width: Intake | mm | 0.9 +0.1 |
| Valve seat width: Exhaust | mm | 1.15 +0.1 |
| Ø Valve seat | ||
| Valve seat surface: Outside dia. inlet | mm | 31.6+0.1 |
| Valve seat surface: Outside dia. exhaust | mm | 27.6+0.1 |