Valve Seat
| Intake | 30 Degrees (deg) |
| Exhaust | 45 Degrees (deg) |
| Valve Depth MIN | 0.039 Inch (in) |
| Valve Depth MAX | 0.060 Inch (in) |
| Valve Seat Width Minimum | 0.060 Inch (in) |
| Valve Seat Width Maximum | 0.080 Inch (in) |
| Intake | 30 Degrees (deg) |
| Exhaust | 45 Degrees (deg) |
| Valve Depth MIN | 0.039 Inch (in) |
| Valve Depth MAX | 0.060 Inch (in) |
| Valve Seat Width Minimum | 0.060 Inch (in) |
| Valve Seat Width Maximum | 0.080 Inch (in) |