Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Both | 5.2 | 3.7 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Intake | 4.0 | 3.0 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Exhaust | 4.0 | 2.7 | B | Includes: R&I Valve Cover & Spark Plugs. |
| NOTE | ||||
| To Replace Valve Cover Gasket, Add | 0.8 | 0.5 | B |