Wiseco XC series rings are the most commonly used in their shelf stock pistons. These measure 1.0 x 1.2 x 2.8mm. We have listed them as single cylinders (all 3 rings included for single piston replacements) as well as sets of 4 & 6 cylinder sets. These are all the 'XX' style which have improved oil control.
Other rings listed as VF, TX, etc. are usually thinner; we often specify these for race motors with our custom made pistons.