| Cylinder Head Height |
5.09 In. (129.4 mm) |
| Maximum Warpage |
.004 In. (.10 mm) |
| Valve Seats |
| Intake Valve |
| Seat Angle |
45 degrees |
| Seat Width |
.0413-.0531 In. (1.05-1.35 mm) |
| Seat Bore Diameter |
1.4567-1.4573 In. (37.000-37.016 mm) |
| Exhaust Valve |
| Seat Angle |
45 degrees |
| Seat Width |
.0492-.0610 In. (1.25-1.55 mm) |
| Seat Bore Diameter |
1.2598-1.2605 In. (32.000-32.016 mm) |
| Valve Guides |
| Valve Guide O.D. |
| Standard |
.3946-.3950 (10.023-10.034) |
| Service Limit |
.4025-.4029 (10.223-10.234) |
| Intake Valve |
| Cylinder Head Bore I.D. |
| Standard |
.3927-.3935 In. (9.975-9.996 mm) |
| Oversize |
.4006-.4014 In. (10.176-10.196 mm) |
| Valve Guide I.D. |
.2362-.2369 In. (6.000-6.018 mm) |
| Valve Guide Installed Height |
.398-.406 In. (10.1-10.3 mm) |
| Valve Stem-To-Guide Oil Clearance |
| Standard |
Less Than .0008-.0021 In. (.020-.053 mm) |
| Exhaust Valve |
| Valve Guide Cylinder Head Bore I.D. |
| Standard |
.3927-.3935 In. (9.975-9.996 mm) |
| Oversize |
.4006-.4014 In. (10.176-10.196 mm) |
| Valve Guide I.D. |
.2362-.2369 In. (6.000-6.018 mm) |
| Valve Guide Installed Height |
.394-.409 In. (10.0-10.4 mm) |
| Valve Stem-To-Guide Oil Clearance |
| Standard |
Less Than .0012-.0025 In. (.030-.063 mm) |