Cylinder Head Assembly: Specifications
| Cylinder Head | Cylinder Head Engine Block Deck Flatness - Measured within a 152.4 mm (6.0 inch) area | 0.003 in. |
| Cylinder Head Engine Block Deck Flatness - Measuring the Overall Length of the Cylinder Head | 0.004 in. | |
| Cylinder Head Exhaust Manifold Deck Flatness | 0.008 in. | |
| Cylinder Head Intake Manifold Deck Flatness | 0.008 in. | |
| Cylinder Head Bolts (First Pass all M11 Bolts in Sequence) | 22 ft. lbs. | |
| Cylinder Head Bolts (Second Pass all M11 Bolts in Sequence) | 90 degrees | |
| Cylinder Head Bolts (Final Pass all M11 Bolts in Sequence- Excluding the Medium Length Bolts at the Front and Rear of Each Cylinder Head) | 90 degrees | |
| Cylinder Head Bolts (Final Pass M11 Medium Length Bolts at the Front and Rear of Each Cylinder Head in Sequence) | 50 degrees | |
| Cylinder Head Bolts (M8 Inner Bolts in Sequence) | 22 ft. lbs. | |
| Cylinder head coolant plug | 15 ft.lbs. | |
| Cylinder Head Height - Measured from the Cylinder Head Deck to the Valve Rocker Arm Cover Seal Surface | 4.732 in. - Minimum | |
| Camshaft | Camshaft End Play | 0.001-0.012 inch |
| Camshaft Journal Diameter | 2.164-2.166 inch | |
| Camshaft Journal Diameter Out-of-Round | 0.001 in. | |
| Camshaft Lobe Lift- Intake | 0.274 in. | |
| Camshaft Lobe Lift - Exhaust | 0.281 in. | |
| Camshaft Runout - Measured at the Intermediate Journals | 0.002 in. | |
| Intake manifold | Intake manifold cylinder head deck flatness- measured at gasket sealing surfaces | 0.02 in. |
| Intake Manifold Bolts (First Pass in Sequence) | 44 in lbs. | |
| Intake Manifold Bolts (Final Pass in Sequence) | 89 in lbs. | |
| Valve System | Valve Face Angle | 45 degree |
| Valve Guide Installed Height - Measured from the Cylinder Head Spring Seat Surface to the Top of the Valve Guide | 0.682 in | |
| Valve Lash | Net Lash-No Adjustment | |
| Valve Lift - Exhaust | 0.4787 in. | |
| Valve Lift - Intake | 0.464 in. | |
| Valve Lifter | Hydraulic Roller | |
| Valve Margin | 0.05 in. - Minimum | |
| Valve Rocker Arm Ratio | 1.70:1 | |
| Valve Seat Angle | 46 degrees | |
| Valve Seat Runout | 0.002 in. - Maximum | |
| Valve Seat Width - Intake | 0.04 in. | |
| Valve Seat Width - Exhaust | 0.07 in. | |
| Valve Spring Free Length | 2.08 in. | |
| Valve Spring Installed Height - Intake | 1.8 in. | |
| Valve Spring Installed Height - Exhaust | 1.8 in. | |
| Valve Spring Pressure - Closed | 76 lb. at 1.8 in. | |
| Valve Spring Pressure - Open | 220 lb at 1.32 in. | |
| Valve Stem Clearance - Production - Exhaust | 0.001-0.0026 in. | |
| Valve Stem Clearance - Production - Intake | 0.001-0.0026 in. | |
| Valve Stem Clearance - Service - Exhaust | 0.0037 in. - Maximum | |
| Valve Stem Clearance - Service - Intake | 0.0037 in. - Maximum | |
| Valve Stem Diameter - Production | 0.313-0.314 in. | |
| Valve Stem Diameter- Service | 0.313 inch - Minimum | |
| Valve Stem Oil Seal Installed Height - Measured from the Valve Spring Shim to the Top Edge of Seal Body - First Design Seal | 0.712-0.752 in. | |
| Exhaust Manifold Tighten the exhaust manifold bolts beginning with the center two bolts. Alternate from side-to-side, and work toward the outside bolts. | First Pass | 11 ft. lbs. |
| Second Pass | 18 ft. lbs. |