Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Right Bank | 8.5 | 5.7 | B | Includes: R&I Cylinder Head. |
| Left Bank | 7.5 | 4.9 | B | Includes: R&I Cylinder Head. |
| Both Banks | 12.3 | 6.4 | B | Includes: R&I Cylinder Head. |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Right Bank | 8.5 | 5.7 | B | Includes: R&I Cylinder Head. |
| Left Bank | 7.5 | 4.9 | B | Includes: R&I Cylinder Head. |
| Both Banks | 12.3 | 6.4 | B | Includes: R&I Cylinder Head. |