Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| With H.O. | ||||
| Intake | 5.9 | 4.2 | B | Includes: R&R Valve Cover. |
| Exhaust | 5.9 | 4.2 | B | Includes: R&R Valve Cover. |
| Both | 8.8 | 6.3 | B | Includes: R&R Valve Cover. |
| Note | ||||
| With Cruise Control, Add | 0.4 | 0.2 | B | Includes: R&R Valve Cover. |
| Without H.O. | ||||
| Intake | 2.9 | 2.1 | B | Includes: R&R Valve Cover. |
| Exhaust | 4.9 | 3.5 | B | Includes: R&R Valve Cover. |
| Both | 6.9 | 4.9 | B | Includes: R&R Valve Cover. |
| Note | ||||
| With AC, Add | 0.2 | 0.1 | B | Includes: R&R Valve Cover. |
| With PS, Add | 0.2 | 0.1 | B | Includes: R&R Valve Cover. |