The rods and rod caps have a make on them that should line up with each other , place 2 rods and caps on the same throw of the crank and make sure they fit ok , turn the crank over and make sure it turns freely and don't lock up the crank , is will mean they are installed correctly , I am not sure which way the notches go on the pistons go but he rod and rod caps must match up, if these are correct the piston notches will be also


