Valve Seat
| Valve Seat Angle | Minimum | 44.25 Degrees (deg) | |
| Maximum | 44.75 Degrees (deg) | ||
| Valve Seat Runout | Maximum | 0.003 Inch (in) | |
| Valve Seat Width (Finish) | Intake | Minimum | 0.040 Inch (in) |
| Maximum | 0.060 Inch (in) | ||
| Exhaust | Minimum | 0.040 Inch (in) | |
| Maximum | 0.060 Inch (in) |