| Cylinder Head Height |
5.146-5.154" (130.7-130.9 mm) |
| Maximum Warpage |
.004" (.10 mm) |
| Valve Seats |
| Seat Angle |
44°53'-45°07' |
| Seat Width |
| Exhaust |
.049-.061" (1.25-1.55 mm) |
| Intake |
.041-.053" (1.05-1.35 mm) |
| Seat Bore (Oversize) |
| Exhaust |
1.3583-1.3589" (34.500-34.516 mm) |
| Intake |
1.5551-1.5557" (39.500-39.516 mm) |
| Valve Guides |
| Valve Guide Cylinder Head Bore I.D. |
| Exhaust |
.4793-.4802" (12.175-12.196 mm) |
| Intake |
.4400-.4408" (11.175-11.196 mm) |
| Valve Guide I.D. |
| Exhaust |
.3150-.3154" (8.000-8.011 mm) |
| Intake |
.2756-.2763" (7.000-7.018 mm) |
| Valve Guide Installed Height |
.675-.683" (17.15-17.35 mm) |
| Valve Stem-To-Guide Oil Clearance |
| Exhaust |
.0014-.0020" (.035-.052 mm) |
| Intake |
.0011-.0020" (.028-.052 mm) |