| Cylinder Head Height |
5.390-5.398" (136.91-137.11 mm) |
| Maximum Warpage |
.004" (.10 mm) |
| Valve Seats |
| Intake Valve |
| Seat Angle |
45° |
| Seat Width |
.055-.067" (1.40-1.70 mm) |
| Seat Bore Diameter |
| Standard |
1.3780-1.3786" (35.001-35.016 mm) |
| Service |
1.3976-1.3983" (35.499-35.517 mm) |
| Exhaust Valve |
| Seat Angle |
45° |
| Seat Width |
.067-.079" (1.70-2.01 mm) |
| Seat Bore Diameter |
| Standard |
1.2205-1.2211" (31.000-31.016 mm) |
| Service |
1.2402-1.2408" (31.501-31.516 mm) |
| Valve Guides |
| Valve Guide Cylinder Head Bore I.D. |
| Standard |
.3927-.3935" (9.975-9.995 mm) |
| Service |
.4006-.4014" (10.175-10.196 mm) |
| Valve Guide I.D. |
.2362-.2369" (5.999-6.017 mm) |
| Valve Guide Installed Height |
.551-.559" (14.00-14.20 mm) |
| Valve Stem-To-Guide Oil Clearance |
| Standard |
| Intake |
.0008-.0021" (.020-.053 mm) |
| Exhaust |
.0016-.0029" (.041-.074 mm) |
| Wear Limit |
.0040" (.100 mm) |