Valve: Specifications
| Face Angle | Intake and Exhaust | Standard | 44.5-45 Degrees (deg) |
| Head Diameter | Intake | Standard | 1.364-1.375 Inch (in) |
| Exhaust | Standard | 1.195-1.205 Inch (in) | |
| Valve Length | Intake | Standard | 4.439-4.461 Inch (in) |
| Exhaust | Standard | 4.314-4.334 Inch (in) | |
| Valve Stem Diameter | Intake | Standard | 0.2337-0.2344 Inch (in) |
| Exhaust | Standard | 0.2326-0.2333 Inch (in) | |
| Valve Stem to Guide Clearance | Intake | Standard | 0.0018-0.0025 Inch (in) |
| Max. Allowable | 0.003 Inch (in) | ||
| Service Limit | 0.010 Inch (in) | ||
| Exhaust | Standard | 0.0029-0.0037 Inch (in) | |
| Max. Allowable | 0.003 Inch (in) | ||
| Service Limit | 0.010 Inch (in) | ||
| Valve Margin | Intake | Standard | 0.050-0.063 Inch (in) |
| Service Limit | 1/32 in. | ||
| Exhaust | Standard | 0.038-0.051. Inch (in) | |
| Service Limit | 3/64 in. |