Engine Valves & Valve Springs 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.
VALVES & VALVE SPRINGS
| Application | Specification | |
|---|---|---|
| Intake Valves | ||
| Face Angle | 44.5° | |
| Standard Margin | .039" (.99 mm) | |
| Minimum Margin | .020" (.51 mm) | |
| Standard Refinish Length | 3.7323-3.7520" (94.800-95.301 mm) | |
| Minimum Refinish Length | 3.7224" (94.549 mm) | |
| Stem Diameter | .2154-.2159" (5.471-5.484 mm) | |
| Exhaust Valves | ||
| Face Angle | 44.5° | |
| Standard Margin | .039" (.99 mm) | |
| Minimum Margin | .020" (.51 mm) | |
| Standard Refinish Length | 3.7342-3.7539" (94.849-95.349 mm) | |
| Minimum Refinish Length | 3.7244" (94.600 mm) | |
| Stem Diameter | .2152-.2157" (5.466-5.479 mm) | |
| Valve Springs | ||
| Free Length | 2.1279-2.1319" (54.049-54.150 mm) | |
| Out-Of-Square | .079" (2.01 mm) | |
| Lbs. @ In. (kg @ mm) | ||
| Pressure | 45.9-50.7 @ 1.378 (21-23 @ 35.00) | |