| Cylinder Head |
| Height |
3.935-3.939" (99.95-100.05 mm) |
| Maximum Warpage |
0.002" (0.05 mm) |
| Valve Seats |
| Intake & Exhaust |
| Seat Angle |
45° |
| Seat Width |
| Standard |
0.049-0.061" (1.25-1.55 mm) |
| Service Limit |
0.080" (2.03 mm) |
| Valve Stem Installed Height |
| Intake |
| Standard |
1.841-1.872" (46.76-47.55 mm) |
| Service Limit |
1.881" (47.80 mm) |
| Exhaust |
| Standard |
1.838-1.869" (46.69-47.47 mm) |
| Service Limit |
1.879" (47.73 mm) |
| Valve Guides |
| Valve Guide Installed Height |
| Intake |
0.835-0.874" (21.21-22.20 mm) |
| Exhaust |
0.812-0.852" (20.62-21.64 mm) |
| Valve Stem-To-Guide Oil Clearance (Micrometer Method) |
| Intake |
| Standard |
0.0008-0.0018" (0.020-0.046 mm) |
| Service Limit |
0.003" (0.08 mm) |
| Exhaust |
| Standard |
0.0022-0.0031" (0.056-0.079 mm) |
| Service Limit |
0.005" (0.13 mm) |
| Valve Stem-To-Guide Oil Clearance (Wobble Method) |
| Intake |
| Standard |
0.002-0.004" (0.05-0.10 mm) |
| Service Limit |
0.006" (0.15 mm) |
| Exhaust |
| Standard |
0.004-0.006" (0.10-0.15 mm) |
| Service Limit |
0.009" (0.23 mm) |