Cylinder Head Specifications
CYLINDER HEAD
| Application | Specification In. (mm) | |||
|---|---|---|---|---|
| Maximum Warpage | ||||
| Cylinder Block Surface | .0039" (.099) | |||
| Manifold Surface | .0039" (.099) | |||
| Valve Seats | ||||
| Intake Valve | ||||
| Seat Angle | 45° | |||
| Seat Width | .039-.055" (.99-1.40) | |||
| Exhaust Valve | ||||
| Seat Angle | 45° | |||
| Seat Width | .039-.055" (.99-1.40) | |||
| Valve Guides | ||||
| Intake Valve | ||||
| Valve Guide Cylinder Head Bore I.D. | ||||
| Standard Valve Guide | .4331-.4341" (11.000-11.027) | |||
| Oversize Valve Guide | .4350-.4361" (11.050-11.077) | |||
| Valve Guide I.D. | .2366-.2374" (6.010-6.030) | |||
| Valve Stem-To-Guide Oil Clearance | ||||
| Standard | .0010-.0024" (.025-.060) | |||
| Wear Limit | .0031" (.080) | |||
| Exhaust Valve | ||||
| Valve Guide Cylinder Head Bore I.D. | ||||
| Standard Valve Guide | .4331-.4341" (11.000-11.027) | |||
| Oversize Valve Guide | .4350-.4361" (11.050-11.077) | |||
| Valve Guide I.D. | .2366-.2374" (6.010-6.030) | |||
| Valve Stem-To-Guide Oil Clearance | ||||
| Standard | .0012-.0026" (.030-.065) | |||
| Wear Limit | .0039" (.099) | |||