Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Both | 5.2 | 3.7 | B | Includes: R&I Valve Cover. |
| Intake | 4.0 | 2.6 | B | Includes: R&I Valve Cover. |
| Exhaust | 3.5 | 2.3 | B | Includes: R&I Valve Cover. |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Both | 5.2 | 3.7 | B | Includes: R&I Valve Cover. |
| Intake | 4.0 | 2.6 | B | Includes: R&I Valve Cover. |
| Exhaust | 3.5 | 2.3 | B | Includes: R&I Valve Cover. |