Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Intake | 5.5 | 3.9 | B | Includes: R&R Camshaft Housing Cover And Make All Necessary Adjustments. Cylinder Head On Engine. |
| Exhaust | 4.6 | 3.3 | B | Includes: R&R Camshaft Housing Cover And Make All Necessary Adjustments. Cylinder Head On Engine. |
| Both | 7.8 | 5.6 | B | Includes: R&R Camshaft Housing Cover And Make All Necessary Adjustments. Cylinder Head On Engine. |