Cylinder Head Specifications
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 2000 Lexus SC 400, 2000 Lexus LS 400, 2000 Lexus GS 400, 1999 Lexus SC 400, and 1999 Lexus LS 400. 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" (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) | |||