| Intake Valves |
| Face Angle |
45° |
| Head Diameter |
1.295-1.303" (32.90-33.10 mm) |
| Margin |
| Standard |
0.041-0.053" (1.05-1.35 mm) |
| Minimum Margin |
0.033" (.85 mm) |
| Stem Diameter |
| Standard |
0.2156-0.2159" (5.475-5.485 mm) |
| Service Limit |
0.2144" (5.445 mm) |
| Exhaust Valves |
| Face Angle |
45° |
| Head Diameter |
1.098-1.106" (27.90-28.10 mm) |
| Margin |
| Standard |
0.065-0.077" (1.65-1.95 mm) |
| Minimum Margin |
0.057" (1.45 mm) |
| Stem Diameter |
| Standard |
0.2146-0.2150" (5.450-5.460 mm) |
| Service Limit |
0.2134" (5.420 mm) |
| Valve Springs Free Length |
| Intake |
| Outer |
1.616" (41.05 mm) |
| Inner |
| NH |
1.424" (36.16 mm) |
| CH |
1.425" (36.19 mm) |
| Exhaust |
| NH |
1.652" (41.96 mm) |
| CH |
1.651" (41.94 mm) |