Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Right Side | 7.3 | 5.2 | B | Includes: R&I Valve Cover. |
| Left Side | 4.0 | 2.8 | B | Includes: R&I Valve Cover. |
| NOTE | ||||
| With Intake Manifold Tuning System, Add | ||||
| Right Side | 0.4 | 0.3 | B |