| Intake Valves |
| Face Angle |
45° |
| Head Diameter |
1.295-1.303" (32.90-33.10 mm) |
| Margin |
| Standard |
0.033-0.045" (0.85-1.15 mm) |
| Service Limit |
0.026" (0.65 mm) |
| Stem Diameter |
| Standard |
0.2157-0.2161" (5.480-5.490 mm) |
| Service Limit |
0.215" (5.45 mm) |
| Valve Length |
4.472-4.483" (113.58-113.88 mm) |
| Valve Stem Installed Height |
| Standard |
1.8478-1.8671" (46.935-47.425 mm) |
| Service Limit |
1.8750" (47.625 mm) |
| Exhaust Valves |
| Face Angle |
45° |
| Head Diameter |
1.098-1.106" (27.90-28.10 mm) |
| Margin |
| Standard |
0.053-0.065" (1.35-1.65 mm) |
| Service Limit |
0.045" (1.15 mm) |
| Stem Diameter |
| Standard |
0.2146-0.2150" (5.450-5.460 mm) |
| Service Limit |
0.213" (5.42 mm) |
| Valve Length |
4.568-4.580" (116.03-116.33 mm) |
| Valve Stem Installed Height |
| Standard |
1.8852-1.9045" (47.885-48.375 mm) |
| Service Limit |
1.9124" (48.575 mm) |
| Valve Springs Free Length |
| Intake |
| NH |
2.018" (51.25 mm) |
| CH |
2.022" (51.35 mm) |
| Exhaust |
| NH |
2.210" (56.13 mm) |
| CH |
2.208" (56.09 mm) |