Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 2.9 | 2.1 | B | Includes: R&R Valve Cover. |
| Left Bank | 1.5 | 1.1 | B | Includes: R&R Valve Cover. |
| Both Banks | 4.2 | 3.0 | B | Includes: R&R Valve Cover. |
| All Cyls | ||||
| Right Bank | 3.8 | 2.7 | B | Includes: R&R Valve Cover. |
| Left Bank | 2.4 | 1.7 | B | Includes: R&R Valve Cover. |
| Both Banks | 5.5 | 3.9 | B | Includes: R&R Valve Cover. |
| Note | ||||
| With A.I.R., Add | 0.8 | 0.5 | B | Includes: R&R Valve Cover. |