| Face Angle | 45 - 45.5 |
| Head Diameter Intake | 1.3256- 1.3358 |
| Head Diameter Exhaust | 1.0894 - 1.1000 |
| Length-Intake (Overall) | 4.2476 - 4.2673 |
| Length-Exhaust (Overall) | 4.1685 - 4.1882 |
| Stem Diameter-Intake | 0.2337 - 0.2344 |
| Stem Diameter-Exhaust | 0.2326 - 0.2333 |
| Stem-to-Guide Clearance Intake (New) | 0.0009 - 0.0026 |
| Stem-to-Guide Clearance-Exhaust (New) | 0.002 - 0.0037 |
| Max. Allowable (Rocking Method)-Intake | 0.0114 |
| Max. Allowable (Rocking Method)-Exhaust | 0.0146 |
| Valve Stem Tip Height-Intake | 1.8551 + / - 0.0184 |
| Valve Stem Tip Height-Exhaust | 1.9162 + / - 0.0184 |