Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 3.5 | 2.5 | B | Includes: R&I Valve Cover. |
| Left Bank | 2.8 | 1.3 | B | Includes: R&I Valve Cover. |
| Both Banks | 5.2 | 3.6 | B | Includes: R&I Valve Cover. |
| Each Additional CYL | 0.5 | 0.4 | B | Includes: R&I Valve Cover. |
| NOTE | ||||
| With A.I.R., Add | ||||
| Right Bank | 0.5 | 0.4 | B |