Valve Seat: Specifications
| Valve Seat Angle | Up to 99 MY | Inlet | 46 degrees to 46 degrees, 25 minutes |
| Exhaust | 46 degrees to 46 degrees, 25 minutes | ||
| From 99 MY | Inlet | 45 degrees to 45 degrees, 30 minutes | |
| Exhaust | 45 degrees to 45 degrees, 30 minutes |
| Valve Seat Angle | Up to 99 MY | Inlet | 46 degrees to 46 degrees, 25 minutes |
| Exhaust | 46 degrees to 46 degrees, 25 minutes | ||
| From 99 MY | Inlet | 45 degrees to 45 degrees, 30 minutes | |
| Exhaust | 45 degrees to 45 degrees, 30 minutes |