| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes |
| Replace |
| CTS-V |
| One CYL |
| Right Bank | 1.3 | 1.1 | B | Includes: R&I Valve Covers, Spark Plugs And Make All Necessary Adjustments. Cylinder Heads On Engine. |
| Left Bank | 1.5 | 1.2 | B | Includes: R&I Valve Covers, Spark Plugs And Make All Necessary Adjustments. Cylinder Heads On Engine. |
| Both Banks | 2.6 | 2.0 | B | Includes: R&I Valve Covers, Spark Plugs And Make All Necessary Adjustments. Cylinder Heads On Engine. |
| Each Additional | 0.5 | 0.3 | B | Includes: R&I Valve Covers, Spark Plugs And Make All Necessary Adjustments. Cylinder Heads On Engine. |
| All Cyls |
| Right Bank | 2.5 | 2.0 | B | Includes: R&I Valve Covers, Spark Plugs And Make All Necessary Adjustments. Cylinder Heads On Engine. |
| Left Bank | 2.7 | 2.1 | B | Includes: R&I Valve Covers, Spark Plugs And Make All Necessary Adjustments. Cylinder Heads On Engine. |
| Both Banks | 4.9 | 3.8 | B | Includes: R&I Valve Covers, Spark Plugs And Make All Necessary Adjustments. Cylinder Heads On Engine. |