Cylinder Head (SOHC)
CYLINDER HEAD (SOHC) SPECIFICATIONS
| Application | Specification | |||
|---|---|---|---|---|
| Maximum Warpage | ||||
| Head Gasket Surface | ||||
| Longitudinal (Lengthwise) | .004" (.10 mm) | |||
| Transverse (Across) | .002" (.05 mm) | |||
| Manifold Surfaces | .006" (.15 mm) | |||
| Valve Seat Angle | 45.75-45.25° | |||
| Valve Seat Width | ||||
| Intake | ||||
| Standard | .039-.051" (1.00-1.30 mm) | |||
| Maximum | .063" (1.60 mm) | |||
| Exhaust | ||||
| Standard | .051-.063" (1.30-1.60 mm) | |||
| Maximum | .075" (1.90 mm) | |||
| Valve Seat Bore Diameter | ||||
| Intake | 1.6333-1.6344" (41.487-41.513 mm) | |||
| Exhaust | 1.377-1.3785" (34.987-35.013 mm) | |||
| Valve Seat Insert Diameter | ||||
| Intake | 1.6367-1.6378" (41.573-41.599 mm) | |||
| Exhaust | 1.3808-1.3819" (35.073-35.099 mm) | |||
| Valve Guides | ||||
| Cylinder Head Bore Diameter | ||||
| Factory Size Guide | ||||
| Standard | .4463-.4474" (11.337-11.363 mm) | |||
| Maximum | .4476" (11.368 mm) | |||
| Oversize Guide | ||||
| Guide Inside Diameter | ||||
| Standard | .2776" (7.050 mm) | |||
| Maximum | .4562-.4572" (11.587-11.613 mm) | |||
| Guide Installed Height | .2751-.2761" (6.987-7.013 mm) | |||
| Valve Stem-To-Guide Oil Clearance | .404-.413" (10.25-10.50 mm) | |||
| Intake | ||||
| Standard | .0010-.0025" (.025-.064 mm) | |||
| Maximum | .0045" (.115 mm) | |||
| Exhaust | ||||
| Standard | .0015-.0032" (.037-.082 mm) | |||
| Maximum | .0053" (.135 mm) | |||