Valve Seat
| Seat Width | Intake | - Note: Cast iron, .037-.075 inch; aluminum, .032-.077 inch. |
| Exhaust | .046-.084 Inch (in) | |
| Seat Angle | Intake | 45 Degrees (deg) |
| Exhaust | 31 Degrees (deg) | |
| Run Out | Intake | 0.004 Inch (in) |
| Exhaust | 0.002 Inch (in) |
| Seat Width | Intake | - Note: Cast iron, .037-.075 inch; aluminum, .032-.077 inch. |
| Exhaust | .046-.084 Inch (in) | |
| Seat Angle | Intake | 45 Degrees (deg) |
| Exhaust | 31 Degrees (deg) | |
| Run Out | Intake | 0.004 Inch (in) |
| Exhaust | 0.002 Inch (in) |