Surface Variation
| Cylinder Head Engine Block Deck Flatness Measured within a 152.4 mm (6.0 inch) area | 0.003 |
| Cylinder Head Engine Block Deck Flatness Measuring the Overall Length of the Cylinder Head | 0.004 |
| Cylinder Head Exhaust Manifold Deck Flatness | 0.008 |
| Cylinder Head Intake Manifold Deck Flatness | 0.008 |
| Cylinder Head Height Measured from the Cylinder Head Deck to the Valve Rocker Arm cover Seal Surface | 4.732 Minimum |