| Intake Stem Outer Diameter | Standard | 0.2347 - 0.2363 Inch (in) |
| Service Limit | 0.2342 Inch (in) |
| Exhaust Stem Outer Diameter | Standard | 0.2342 - 0.2349 Inch (in) |
| Service Limit | 0.2336 Inch (in) |
| | |
| | |
| | |
| Intake Stem to Guide Clearance | Standard | 0.0010 - 0.0025 Inch (in) |
| Service Limit | 0.004 Inch (in) |
| Exhaust Stem to Guide Clearance | Standard | 0.0015 - 0.0030 Inch (in) |
| Service Limit | 0.005 Inch (in) |
| Intake Total Length | Standard | 3.7934 - 3.8116 Inch (in) |
| Service Limit | 3.787 - 3.812 Inch (in) |
| Exhaust Total Length | Standard | 3.7659 - 3.7840 Inch (in) |
| Service Limit | 3.760 - 3.784 Inch (in) |
| Intake Head Diameter | Standard | 1.2661 - 1.2780 Inch (in) |
| Exhaust Head Diameter | Standard | 1.0748 - 1.0866 Inch (in) |
| Intake Margin Width | Service Limit | 0.035 Inch (in) |
| Exhaust Margin Width | Service Limit | 0.039 Inch (in) |
| Face Angle (Intake and Exhaust) | Standard | 45 - 45.5 Degrees (deg) |
| Service Limit | 45.5 - 45 Degrees (deg) |
| Valve Tip Protrusion | Standard | 1.548 - 1.567 In. |
| Service Limit | 1.548 - 1.586 in. |