Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace
One Cylinder	5.2	3.6	A
Two Cylinders	5.9	4.1	A
Three Cylinders	7.3	5.1	A
Four Cylinders	8.0	5.8	A
Note
To R&R Piston, Pin or Connecting Rod, Add
One	0.2	0.0	A
Each Additional	0.1	0.0	A
All	0.5	0.0	A
To R&R Timing Belt, Add	0.9	0.0	A
To R&R Connecting Rod Bearings, Add
Each	0.1	0.0	A
To Grind Valves, Add
All Cylinders	3.2	0.0	A
To R&R Spark Plugs, Add	0.5	0.0	A