| Intake Valves |
| Face Angle |
46.5° |
| Head Diameter |
1.905-1.915" (48.39-48.64 mm) |
| Minimum Margin |
.031" (.79 mm) |
| Minimum Refinish Length |
4.822" (122.47 mm) |
| Stem Diameter |
.312" (7.92 mm) |
| Valve Tip Maximum Refinish |
.010" (.25 mm) |
| Exhaust Valves |
| Face Angle |
46.5° |
| Head Diameter |
1.495-1.505" (37.973-38.227 mm) |
| Minimum Margin |
.031" (.787 mm) |
| Minimum Refinish Length |
4.837" (122.86 mm) |
| Stem Diameter |
.312" (7.92 mm) |
| Valve Tip Maximum Refinish |
.010" (.25 mm) |
| Valve Springs |
| Free Length |
1.88" (47.7 mm) |
| Installed Height |
1.64" (41.7 mm) |
| Out-Of-Square |
|
| Lbs. @ In. (kg @ mm) |
| Spring Pressure |
| Valve Closed |
71-79 @ 1.640 (32.2-35.8 @ 41.66) |
| Valve Open |
202-218 @ 1.216 (91.6-98.8 @ 30.89) |