| Valve Seat Angle "a" | Intake | | 45 deg 15' - 45 deg 45' |
| Exhaust | | 45 deg 15' - 45 deg 45' |
| Cylinder Head Seat Recess Diameter (D) | Intake | Standard | 37.000 - 37.016 Millimeter (mm) |
| | Service | 37.500 - 37.516 Millimeter (mm) |
| Exhaust | Standard | 32.200 - 32.216 Millimeter (mm) |
| | Service | 32.700 - 32.716 Millimeter (mm) |
| Valve Seat Interference Fit | Intake | | 0.081 - 0.113 Millimeter (mm) |
| Exhaust | | 0.064 - 0.096 Millimeter (mm) |
| Valve Seat Outer Diameter (d) | Intake | Standard | 37.097 - 37.113 Millimeter (mm) |
| | Service | 37.597 - 37.613 Millimeter (mm) |
| Exhaust | Standard | 32.280 - 32.206 Millimeter (mm) |
| | Service | 32.780 - 32.796 Millimeter (mm) |
| Height (h) | Intake | Standard | 5.9 - 6.0 Millimeter (mm) |
| | Service | 5.05 - 5.15 Millimeter (mm) |
| Eshaust | Standard | 5.9 - 6.0 Millimeter (mm) |
| | Service | 4.95 - 5.05 Millimeter (mm) |
| Depth (H) | | | 5.9 - 6.1 Millimeter (mm) |
| Depth (L) | Intake | | 41.07 - 41.67 Millimeter (mm) |
| Exhaust | | 41.00 - 41.60 Millimeter (mm) |