Piston Ring: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Note | ||||
| With AC, Add | 0.4 | 0.0 | A | |
| To Grind Valves, Add | 2.0 | 0.0 | A |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Note | ||||
| With AC, Add | 0.4 | 0.0 | A | |
| To Grind Valves, Add | 2.0 | 0.0 | A |