Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Intake | 6.3 | 4.5 | B | Includes: R&R Camshaft Housing Cover And Make All Necessary Adjustments. Cylinder Head On Engine. |
| Exhaust | 5.2 | 3.7 | B | Includes: R&R Camshaft Housing Cover And Make All Necessary Adjustments. Cylinder Head On Engine. |
| Both | 6.9 | 4.9 | B | Includes: R&R Camshaft Housing Cover And Make All Necessary Adjustments. Cylinder Head On Engine. |