| Margin(Intake) | STD | 0.039 Inch (in) |
| MIN | 0.024 Inch (in) |
| Margin(Exhaust) | STD | 0.047 Inch (in) |
| MIN | 0.028 Inch (in) |
| Valve Head Radial Runout(MAX) | | 0.003 Inch (in) |
| Head Angles For Refinishing | Area Above Seat Contact Surface | 15 Degrees (deg) |
| Area Below Seat Contact Surface(Exhaust Only) | 60 Degrees (deg) |
| Face Contact Surface | 45 Degrees (deg) |
| Seat Contact Surface | 45 Degrees (deg) |
| Stem Outside Diameter | Exhaust | 0.2339-0.2344 Inch (in) |
| Intake | 0.2348-0.2354 Inch (in) |
| Stem To Guide Clearance | Exhaust Valve (STD) | 0.0018-0.0028 Inch (in) |
| Exhaust Valve (MAX) | 0.0035 Inch (in) |
| Intake Valve(STD) | 0.0008-0.0018 Inch (in) |
| Intake Valve(MAX) | 0.0027 Inch (in) |