Valve Spring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| 8 Valve | ||||
| One | 1.5 | 1.1 | B | Includes: R&R Valve Cover, Spark Plugs & Adjust Valves. Cylinder Head On Engine. |
| All | 3.6 | 2.6 | B | Includes: R&R Valve Cover, Spark Plugs & Adjust Valves. Cylinder Head On Engine. |
| 16 Valve | ||||
| One | 1.5 | 1.1 | B | Includes: R&R Valve Cover, Spark Plugs & Adjust Valves. Cylinder Head On Engine. |
| All | 4.3 | 3.1 | B | Includes: R&R Valve Cover, Spark Plugs & Adjust Valves. Cylinder Head On Engine. |