Cylinder Head Specifications
CYLINDER HEAD SPECIFICATIONS
| Application | Specification | |||
|---|---|---|---|---|
| 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 | .004" (.10 mm) | |||