Cylinder Head Specifications
CYLINDER HEAD
| Application | Specification | |||
|---|---|---|---|---|
| Maximum Warpage | ||||
| Cylinder Block Surface | .002" (.05 mm) | |||
| Manifold Surface | .002" (.05 mm) | |||
| Valve Seats | ||||
| Intake Valve | ||||
| Seat Angle | 45° | |||
| Seat Width | .039-.055" (1.00-1.40 mm) | |||
| Exhaust Valve | ||||
| Seat Angle | 45° | |||
| Seat Width | .039-.055" (1.00-1.40 mm) | |||
| Valve Guides | ||||
| Intake Valve | ||||
| Cylinder Head Bore I.D. | ||||
| Standard | .4331-.4341" (11.000-11.027 mm) | |||
| Oversize | .4350-.4361" (11.050-11.077 mm) | |||
| Valve Guide I.D. | .2366-.2374" (6.010-6.030 mm) | |||
| Installed Height | .500-.516" (12.70-13.10 mm) | |||
| Valve Stem-To-Guide Oil Clearance | ||||
| Standard | .0010-.0024" (.025-.060 mm) | |||
| Wear Limit | .0031" (.080 mm) | |||
| Exhaust Valve | ||||
| Cylinder Head Bore I.D. | ||||
| Standard | .4331-.4341" (11.000-11.027 mm) | |||
| Oversize | .4350-.4361" (11.050-11.077 mm) | |||
| Valve Guide I.D. | .2366-.2374" (6.010-6.030 mm) | |||
| Installed Height | .500-.516" (12.70-13.10 mm) | |||
| Valve Stem-To-Guide Oil Clearance | ||||
| Standard | .0012-.0026" (.030-.065 mm) | |||
| Wear Limit | .0039" (.100 mm) | |||