Valve Specifications
| Stem Diameter Standard | Intake | 0.3131-0.3138 | |
| Exhaust | Upper | 0.3129-0.3137 | |
| Lower | 0.3118-0.3126 | ||
| Maximum Tip Refinish | - Note: Grind only enough lo provide true surface. After grinding valve stems, ensure sufficient clearance remains between rocker arm & valve spring cap or rotator | ||
| Face Angle | 45 | ||
| Margin Note: Minimum | Intake | 0.0315 | |
| Exhaust | 0.0315 |