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	13.2	9.2	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	0.7	0.0	A
To R&R Connecting Rod Bearings, Add
Each	0.1	0.0	A
To Grind Valves, Add	5.7	0.0	A
To R&R Spark Plugs, Add	0.4	0.0	A