he said the amount to take off for the bore job .124" he would make two passes to be easier on the bore equipment. then from there the finally hone job and file fit the rings and all. when he does these things he take all the parts and when you get them back the pistons are labled for cylinder and the rings are labled for what cylinder. when he is done all we have to do is a final wash/rinse, install the block plugs and assemble. he is the guy that gets all the high end race motors and what not. like right before race season it will take weeks to gets a block back do to his back log.