Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| All Cyls | ||||
| Intake | 5.8 | 4.9 | B | Includes: R&I Valve Cover. |
| Exhaust | 4.9 | 4.2 | B | Includes: R&I Valve Cover. |
| Intake & Exhaust | 6.8 | 5.7 | B | Includes: R&I Valve Cover. |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| All Cyls | ||||
| Intake | 5.8 | 4.9 | B | Includes: R&I Valve Cover. |
| Exhaust | 4.9 | 4.2 | B | Includes: R&I Valve Cover. |
| Intake & Exhaust | 6.8 | 5.7 | B | Includes: R&I Valve Cover. |