Valve Seat
| Valve Seat Width b | Intake | 1.3 - 1.6 Millimeter (mm) |
| Exhaust | 2.5 - 2.9 Millimeter (mm) | |
| Valve Seat Angle a | 30 Degrees (deg) | |
| Correction Angle Top B | 60 Degrees (deg) | |
| Correction Angle Bottom y | 60 Degrees (deg) | |
| Permissible Runout of Valve Seat | 0.03 Millimeter (mm) |