Cylinder Head Specifications
CYLINDER HEAD SPECIFICATIONS
| Application | Specification: In. (mm) | |||
|---|---|---|---|---|
| Maximum Warpage | ||||
| Cylinder Block Surface | .0039" (.100) | |||
| Manifold Surface | .0039" (.100) | |||
| Valve Seats | ||||
| Intake Valve | ||||
| Seat Angle | 45° | |||
| Seat Width | .039-.055" (1.00-1.40) | |||
| Exhaust Valve | ||||
| Seat Angle | 45° | |||
| Seat Width | .047-.063" (1.20-1.60) | |||
| Valve Guides | ||||
| Intake Valve | ||||
| Valve Guide Cylinder Head Bore I.D. | ||||
| Standard Valve Guide | 4325-.4333" (10.985-11.006) | |||
| Oversize Valve Guide | 4344-.4353" (11.035-11.056) | |||
| Valve Guide I.D. | .2366-.2374" (6.010-6.030) | |||
| Valve Guide Installed Height | .484-.500" (12.30-12.70) | |||
| 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 | .4325-.4333" (10.985-11.006) | |||
| Oversize Valve Guide | .4344-.4353" (11.035-11.056) | |||
| Valve Guide I.D. | .2366-.2374" (6.010-6.030) | |||
| Valve Guide Installed Height | .449-.465" (11.40-11.80) | |||
| Valve Stem-To-Guide Oil Clearance | ||||
| Standard | .0012-.0026" (.030-.065) | |||
| Wear Limit | .0039" (.100) | |||