| 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 |
| Intake |
| Standard |
0.031-0.039" (0.80-1.00 mm) |
| Service Limit |
0.060" (1.50 mm) |
| Exhaust |
| Standard |
0.049-0.061" (1.25-1.55 mm) |
| Service Limit |
0.080" (2.00 mm) |
| Valve Guides |
| Intake & Exhaust |
| Valve Guide I.D. |
| Standard |
0.217-0.218" (5.51-5.53 mm) |
| Service Limit |
0.219" (5.55 mm) |
| Valve Guide Installed Height |
0.620-0.640" (15.75-16.25 mm) |
| Valve Stem-To-Guide Oil Clearance |
| Intake |
| Standard |
0.001-0.002" (0.02-0.05 mm) |
| Service Limit |
0.003" (0.08 mm) |
| Exhaust |
| Standard |
0.002-0.003" (0.05-0.08 mm) |
| Service Limit |
0.004" (0.11 mm) |