Guess what ~ the motor mounts (the rubber and metal things) <span style="font-weight: bold">are</span> the same on both sides. The frame stands or brackets (metal parts that bolt to the subframe) may be different heights from side to side depending on the year and engine used. Here are some pictures from David Pozzi 's site that should clear some of this up for you. Google David Pozzi if you want to read everything he has to say about Camaro mounts.
The steel racing mounts are only shown here because they are easier to measure, but the original style mounts have the same measurements.