Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Bank | 17.6 | 12.8 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Both Banks | 21.3 | 15.0 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Bank | 17.6 | 12.8 | B | Includes: R&I Valve Cover & Spark Plugs. |
| Both Banks | 21.3 | 15.0 | B | Includes: R&I Valve Cover & Spark Plugs. |