Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Intake | 7.3 | 5.3 | B | Includes: R&I Camshaft Housing Cover And Make All Necessary Adjustments. Cylinder Head On Engine. |
| Exhaust | 6.6 | 5.3 | B | Includes: R&I Camshaft Housing Cover And Make All Necessary Adjustments. Cylinder Head On Engine. |
| Both | 8.8 | 6.3 | B | Includes: R&I Camshaft Housing Cover And Make All Necessary Adjustments. Cylinder Head On Engine. |