Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| All Cylinders | ||||
| Right Bank | 9.4 | 6.5 | B | Includes: R&I Cylinder Heads. |
| Left Bank | 9.0 | 6.4 | B | Includes: R&I Cylinder Heads. |
| Both Banks | 12.2 | 8.7 | B | Includes: R&I Cylinder Heads. |
| Note | ||||
| With Cruise Control, Add | 0.1 | 0.0 | B |