Cylinder Head Specifications
WARNING: This page is about a different car, the 2001 Lexus RX 300 and 2001 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.
CYLINDER HEAD
| Application | Specification | |||
|---|---|---|---|---|
| Maximum Warpage | ||||
| Cylinder Block Surface | .0039" (.100 mm) | |||
| Manifold Surface | .0039" (.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 | .4053-.4060" (10.295-10.312 mm) | |||
| Oversize Valve Guide | .4073-.4080" (10.345-10.363 mm) | |||
| Valve Guide I.D. | .2169-.2177" (5.510-5.530 mm) | |||
| Valve Guide Installed Height | .437-.453" (11.10-11.50 mm) | |||
| Valve Stem-To-Guide Oil Clearance | ||||
| Standard | .0010-.0024" (.025-.061 mm) | |||
| Wear Limit | .0031" (.080 mm) | |||
| Exhaust Valve | ||||
| Valve Guide Cylinder Head Bore I.D. | ||||
| Standard Valve Guide | .4053-.4060" (10.295-10.312 mm) | |||
| Oversize Valve Guide | .4073-.4080" (10.345-10.363 mm) | |||
| Valve Guide I.D. | .2169-.2177" (5.510-5.530 mm) | |||
| Valve Guide Installed Height | ||||
| Exhaust | .350-.366" (8.90-9.30 mm) | |||
| Intake | .437-.453 (11.10-11.50) | |||
| Valve Stem-To-Guide Oil Clearance | ||||
| Standard | .0012-.0026" (.030-.066 mm) | |||
| Wear Limit | .0039" (.100 mm) | |||