| Face Angle | 44.5 - 45 Degrees (deg) |
| Head Diameter Intake | 1.364 - 1.375 Inch (in) |
| Head Diameter Exhaust | 1.195 - 1.206 Inch (in) |
| Length-Intake (Overall) | 4.439 - 4.461 Inch (in) |
| Length-Exhaust (Overall) | 4.314 - 4.334 Inch (in) |
| Valve Margin-Intake | 0.050 - 0.063 Inch (in) |
| Valve Margin-Exhaust | 0.038 - 0.051 Inch (in) |
| Valve Stem Tip Height-Intake | 1.891 Inch (in) |
| Valve Stem Tip Height-Exhaust | 1.891 Inch (in) |
| Stem Diameter-Intake | 5.934 - 5.952 Inch (in) |
| Stem Diameter-Exhaust | 5.906 - 5.924 Inch (in) |
| Stem-to-Guide Clearance-Intake | 0.0018 - 0.0025 Inch (in) |
| Stem-to-Guide Clearance-Exhaust | 0.0029 - 0.0037 Inch (in) |
| Max. Allowable Stem-toGuide Clearance-Intake and Exhaust | 0.010 Inch (in) |