Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | ||||
| One Bank | 5.2 | 3.7 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Both Banks | 6.6 | 4.9 | B | Includes: R&I Valve Cover & Spark Plugs. |
| All Cylinders | 8.8 | 6.2 | B | Includes: R&I Valve Cover & Spark Plugs. |