Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| All Cylinders | ||||
| Right Bank | 3.2 | 2.5 | B | Includes: R&I Valve Covers. | 
| Left Bank | 3.2 | 2.7 | B | Includes: R&I Valve Covers. | 
| Both Banks | 5.2 | 4.4 | B | Includes: R&I Valve Covers. |