Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| All Cyls | ||||
| Intake | 4.7 | 3.7 | B | Includes: R&I Valve Cover. |
| Exhaust | 4.7 | 3.7 | B | Includes: R&I Valve Cover. |
| Intake & Exhaust | 6.5 | 5.6 | B | Includes: R&I Valve Cover. |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| All Cyls | ||||
| Intake | 4.7 | 3.7 | B | Includes: R&I Valve Cover. |
| Exhaust | 4.7 | 3.7 | B | Includes: R&I Valve Cover. |
| Intake & Exhaust | 6.5 | 5.6 | B | Includes: R&I Valve Cover. |