Valve: Specifications
| Valve | Face Angle | 43.25-43.75 Degrees (deg) |
| Intake Head Diameter | 1.916 Inch (in) | |
| Exhaust Head Diameter | 1.624 Inch (in) | |
| Overall Length-(Intake) | 4.893-4.918 Inch (in) | |
| Overall Length-(Exhaust) | 4.907-4.932 Inch (in) | |
| Stem Diameter | 0.311-0.314 Inch (in) | |
| Stem to Guide Clearance | 0.017 Inch (in) |