Valve, Intake/Exhaust
Face Angle | Intake and Exhaust | Standard | 45-45.5 Degrees (deg) |
Head Diameter | Intake | Standard | 1.303-1.313 Inch (in) |
| Exhaust | Standard | 1.124-1.134 Inch (in) |
Valve Margin | Intake | Standard | 0.0452-0.0583 Inch (in) |
| | Service Limit | 1/32 Inch (in) |
| Exhaust | Standard | 0.058-0.071 Inch (in) |
| | Service Limit | 3/64 Inch (in) |
Valve Length Overall | Intake | Standard | 4.515-4.535 Inch (in) |
| Exhaust | Standard | 4.603-4.623 Inch (in) |
Valve Stem Diameter | Intake | Standard | 0.2337-0.2344 Inch (in) |
| Exhaust | Standard | 0.2326-0.2333 Inch (in) |
Stem to Guide Clearance | Intake | Standard | 0.0018-0.0025 Inch (in) |
| | Max. Allowable | 0.003 Inch (in) |
| | Service Limit | 0.010 Inch (in) |
| Exhaust | Standard | 0.0029-0.0037 Inch (in) |
| | Max. Allowable | 0.004 Inch (in) |
| | Service Limit | 0.010 Inch (in) |
Valve stem tip Height | Intake | Standard | 1.77-1.81 inch |
| Exhaust | Standard | 1.71-1.75 inch |