1985 - 1998 GEO 1.0 L Engine set of piston rings from Enginetech. This set has two compression rings plus the oil rails and expander for each of the 3 pistons. Made in Japan! 1.2 x 1.5 x 2.8mm (not for 1999 -2000 models)
The top compression ring is steel with chrome facing
The second ring is positive twist taper face cast iron
Oil rails are steel with chrome face
Manufacturer's recommendations for cylinder finish:
Rough bore to within .003" then hone with #220 grit to the last .001".
Finish with #280 stone.