| Valves |
| Face Angle |
45° |
| Head Diameter |
|
| Minimum Margin |
| Intake |
.035" (0.9 mm) |
| Exhaust |
.039" (1.0 mm) |
| Minimum Refinish Length |
| Intake |
| Standard |
4.052" (121.92 mm) |
| Minimum |
|
| Exhaust |
| Standard |
3.993" (101.42 mm) |
| Minimum |
|
| Stem Diameter |
| Intake |
.2350-.2356" (5.97-5.984 mm) |
| Minimum |
|
| Exhaust |
.2348-.2354" (5.964-5.979 mm) |
| Minimum |
|
| Installed Height |
| Intake |
| Standard |
1.432-.1467 (36.37-37.26) |
| Service Limit |
1.467-1.495 (36.37-37.97) |
| Beyond Limit |
1.495 (36.37) |
| Exhaust |
| Standard |
1.431-1.467 (36.53-37.26) |
| Service Limit |
1.467-1.494 (36.37-37.95) |
| Beyond Limit |
1.494 (37.95) |
| Out-Of-Square |
| Intake & Exhaust |
.0638" (1.621 mm) |