Valve: Specifications
| Face Angle | 45-45.5 Degrees (deg) |
| Stem Diameter | 0.311-0.312 Inch (in) |
| Head Diameter-Intake | 1.915-1.925 Inch (in) |
| Head Diameter-Exhaust | 1.575-1.585 Inch (in) |
| Length-Intake(overall) | 5.713-5.738 Inch (in) |
| Length-Exhaust(overall) | 5.757-5.782 Inch (in) |
| Valve Margin-Intake | 0.051 Inch (in) |
| Valve Margin-Exhaust | 0.080 Inch (in) |
| Lift-Intake (zero lash) | 0.542 Inch (in) |
| Lift Exhaust (zero lash) | 0.542 Inch (in) |
| Valve Stem tip Height | 1.929 Inch (in) |
| Stem to Guid Clearance | 0.001-0.003 Inch (in) |
| Max. Allowable Intake | 0.020 Inch (in) |
| Max. Allowable-Exhaust | 0.027 Inch (in) |