Rocker Arm Assembly: Labor Times
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Engine Model 420A | 3.9 | 3.1 | B | Includes: R&I Valve Cover. |
| Note | ||||
| With AC, Add | ||||
| Engine Model 420A | 0.5 | 0.3 | B |
| Standard Hours | Manufacturer Warranty Hours | Skill Level | Notes | |
| Replace | ||||
| Engine Model 420A | 3.9 | 3.1 | B | Includes: R&I Valve Cover. |
| Note | ||||
| With AC, Add | ||||
| Engine Model 420A | 0.5 | 0.3 | B |