did you look into golden egle they do some good sleeving work.there blocks are good till loke 60psi.there are a few ppl arround here that have it done 2 in civics and one in a type r.they have endyne wave roller pistons.they have had do problems with cooling or anything eals.i think they charge like 750 for the sleves.if you would like to know more about it just let me know.