Piston Ring: Labor Times

	Standard Hours	Manufacturer Warranty Hours	Skill Level	Notes
Replace	12.7	11.4	A	Includes: R&I Cylinder Head & Oil Pan, Hone Cylinder Walls And Plastigage Bearings.
NOTE
With AC, Add	0.4	0.2	A
With Skid Plate, Add	0.2	0.1	A
With Auto Trans, Add	0.2	0.1	A
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 Valves, Add	3.0	0.0	A
To R&R Connecting Rod Bearings, Add	0.1	0.0	A
To R&R Oil Pump, Add	0.8	0.0	A
To R&R Timing Chain, Add	2.6	0.0	A
To R&R Spark Plugs, Add	0.3	0.0	A