Cylinder Head Specifications
CYLINDER HEAD
| Application | Specification | |||
|---|---|---|---|---|
| Maximum Warpage | ||||
| Cylinder Block Surface | .0039" (0.100 mm) | |||
| Manifold Surface | .0039" (0.100 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 | ||||
| Valve Guide Cylinder Head Bore I.D. | ||||
| Standard Valve Guide | .4049-.4057" (10.284-10.305 mm) | |||
| Oversize Valve Guide | .4069-.4077 (10.335-10.356 mm) | |||
| Valve Guide I.D. | .2169-.2177" (5.509-5.530 mm) | |||
| Valve Stem-To-Guide Oil Clearance | ||||
| Standard | .0010-.0024" (.025-.061 mm) | |||
| Wear Limit | .0031" (.079 mm) | |||
| Exhaust Valve | ||||
| Valve Guide Cylinder Head Bore I.D. | ||||
| Standard Valve Guide | .4049-.4057" (10.284-10.305 mm) | |||
| Oversize Valve Guide | .4069-.4077 (10.335-10.356 mm) | |||
| Valve Guide I.D. | .2169-.2177" (5.509-5.530 mm) | |||
| Valve Stem-To-Guide Oil Clearance | ||||
| Standard | .0012-.0026" (.030-.066 mm) | |||
| Wear Limit | .0031" (.079 mm) | |||