| Valves | Face Angle | Intake and Exhaust | 45 - 45-1/2 Degrees (deg) |
| Head Diameter | Intake | 1.303 - 1.313 Inch (in) |
| | Exhaust | 1.124- 1.135 Inch (in) |
| Margin | Intake | 0.0452 - 0.0582 Inch (in) |
| | Exhaust | 0.058 - 0.071 Inch (in) |
| Length (Overall) | Intake | 4.515 - 4.535 Inch (in) |
| | Exhaust | 4.603 - 4.623 Inch (in) |
| Stem Tip Height | Intake | 1.77 - 1.81 Inch (in) |
| | Exhaust | 1.71 - 1.75 Inch (in) |
| Stem Diameter | Intake | 0.234 - 0.234 Inch (in) |
| | Exhaus | 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 Intake | 0.003 Inch (in) |
| | Max. Allowable Exhaust | 0.004 Inch (in) |