Piston Ring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | 9.8 | 6.8 | A | |
| Two Cylinders | 9.8 | 7.2 | A | |
| Three Cylinders | 10.8 | 7.5 | A | |
| Four Cylinders | 10.8 | 8.0 | A | |
| Five Cylinders | 12.7 | 8.8 | A | |
| Six Cylinders | 12.7 | 9.2 | A |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | 9.8 | 6.8 | A | |
| Two Cylinders | 9.8 | 7.2 | A | |
| Three Cylinders | 10.8 | 7.5 | A | |
| Four Cylinders | 10.8 | 8.0 | A | |
| Five Cylinders | 12.7 | 8.8 | A | |
| Six Cylinders | 12.7 | 9.2 | A |