| Face Angle | | 44-1/2 - 45 Degrees (deg) |
| Head Diameter | | |
| Intake | 1.364 - 1.375 Inch (in) |
| Exhaust | 1.195 - 1.205 Inch (in) |
| Length (Overall) | | |
| Intake | 4.439 - 4.461 Inch (in) |
| Exhaust | 4.314 - 4.334 Inch (in) |
| Valve Margin | | |
| Intake | 0.050 - 0.063 Inch (in) |
| Exhaust | 0.038 - 0.051 Inch (in) |
| Valve Stem Tip Height | | |
| Intake | 1.891 Inch (in) |
| Exhaust | 1.889 Inch (in) |
| Stem Diameter | | |
| Intake | 0.234 - 0.234 Inch (in) |
| Exhaust | 0.233 - 0.233 Inch (in) |
| Stem-to-Guide Clearance | | |
| Intake | 0.0018 - 0.0025 Inch (in) |
| Exhaust | 0.0029 - 0.0037 Inch (in) |
| Max. Allowable Stem-to-Guide Clearance | Intake and Exhaust | 0.010 |