System Specifications
| Cylinder head bolt | 37 ft.lbs. + 120 degrees | |
| Valve System | Lifter | Hydraulic Roller |
| Rocker Arm Ratio | 1.66:1 | |
| Face Angle | 46 degrees | |
| Seat Angle | 45 degrees | |
| Minimum Margin | 0.025 in. | |
| Seat Runout-Maximum | 0.002 in. | |
| Seat Width-Intake | 0.060-0.080 in. | |
| Seat Width-Exhaust | 0.090-0.110 in. | |
| Stem Height-All | 1.93-1.975 inch | |
| Stem Clearance-Intake | 0.0012-0.0028 in. | |
| Stem Clearance-Exhaust | 0.0014-0.0029 in. | |
| Valve Spring | Free Length | 1.960 in. |
| Load-Closed | 75 lb @ 1.72 in. | |
| Load-Open | 228 lb @ 1.277 in. | |
| Installed Height | 1.690-1.750 in. | |
| Approximate Number of Active Coils | 4.48 | |
| Approximate Number of Total Coils | 6.60 | |
| Camshaft | Journal Diameter | 1.8462-1.8448 in. |
| Intake Maximum Lobe Lift | 0.258 inch | |
| Exhaust Maximum Lobe Lift | 0.258 inch | |
| Bearing Inside Diameter 1 and 4 | 1.8428-1.8492 in. | |
| Bearing Inside Diameter 2 and | 1.8481-1.8495 in. | |
| Bearing-to-Journal Clearance | 0.0016-0.0047 in. | |
| Camshaft sprocket bolt | 74 ft.lbs. + 90 degrees | |
| Camshaft thrust Plate Bolt | 11 ft.lbs. | |
| Intake Manifold | Upper intake manifold bolts (long) | 22 ft.lbs. |
| Upper intake manifold bolts (short) | 11 ft.lbs. | |
| Lower intake manifold bolt | 11 ft.lbs. | |
| Manifold vacuum source screws | 89 in.lbs. | |
| Vacuum source manifold bolt | 89 in.lbs. | |
| Exhaust Manifold | Exhaust manifold bolt/nut | 17 ft.lbs. |
| Exhaust manifold stud | 89 in.lbs. | |
| Exhaust manifold pipe stud | 53 in.lbs. |