Valve Seat
| Valve Seat Angle | 46 Degrees (deg) |
| Valve Seat Runout (Maximum) | 0.002 Inch (in) |
| Valve Seat Width (Exhaust-Heavy Duty) | 0.059 - 0.101 Inch (in) |
| Valve Seat Width (Exhaust-Light Duty) | 0.065 - 0.098 Inch (in) |
| Valve Seat Width (Intake) | 0.045 - 0.065 Inch (in) |