Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Both Banks | 14.7 | 10.3 | B | Includes: R&R Cylinder Heads. |
| One Bank | 10.8 | 7.6 | B | Includes: R&R Cylinder Heads. |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Both Banks | 14.7 | 10.3 | B | Includes: R&R Cylinder Heads. |
| One Bank | 10.8 | 7.6 | B | Includes: R&R Cylinder Heads. |