Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Intake | 7.3 | 5.4 | B | Includes: R&R Camshaft Housing Cover And Make All Necessary Adjustments. Cylinder Head On Engine. |
| Exhaust | 6.6 | 4.7 | B | Includes: R&R Camshaft Housing Cover And Make All Necessary Adjustments. Cylinder Head On Engine. |
| Both | 9.8 | 6.7 | B | Includes: R&R Camshaft Housing Cover And Make All Necessary Adjustments. Cylinder Head On Engine. |