Piston Ring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | 4.2 | 3.0 | A | |
| Two Cylinders | 5.7 | 4.1 | A | |
| Three Cylinders | 7.1 | 5.1 | A | |
| Four Cylinders | 8.1 | 5.8 | A |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| One Cylinder | 4.2 | 3.0 | A | |
| Two Cylinders | 5.7 | 4.1 | A | |
| Three Cylinders | 7.1 | 5.1 | A | |
| Four Cylinders | 8.1 | 5.8 | A |