Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One CYL | ||||
| Right Bank | 2.6 | 1.8 | B | Includes: R&R Valve Cover & Spark Plugs. Cylinder Head On Engine. |
| Left Bank | 2.0 | 1.4 | B | Includes: R&R Valve Cover & Spark Plugs. Cylinder Head On Engine. |
| Both Banks | 3.9 | 2.7 | B | Includes: R&R Valve Cover & Spark Plugs. Cylinder Head On Engine. |
| All Cyls | ||||
| Right Bank | 3.8 | 2.7 | B | Includes: R&R Valve Cover & Spark Plugs. Cylinder Head On Engine. |
| Left Bank | 3.2 | 2.3 | B | Includes: R&R Valve Cover & Spark Plugs. Cylinder Head On Engine. |
| Both Banks | 6.6 | 4.5 | B | Includes: R&R Valve Cover & Spark Plugs. Cylinder Head On Engine. |