Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Right Bank | 8.4 | 6.5 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Left Bank | 10.5 | 8.1 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Both Banks | 14.7 | 11.4 | B | Includes: R&I Valve Cover & Spark Plugs. |