Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Right Bank | 5.9 | 4.2 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Left Bank | 4.0 | 2.8 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Both Banks | 10.8 | 7.4 | B | Includes: R&I Valve Cover & Spark Plugs. |