When using the lower setting I found the shock stroke of those supplied with the Suplex Kit too long. I modified the upper shock perches (fabricated a dog leg) to accomodate. Since I removed the Suplex Kit from My +8 Bitsa and installed it on My '61 DHC at the regular ride height. From My test on all 3 of My Morgans I felt the Suplex Kit was most effective on the DHC with its Ford Zetec Engine, a much lighter engine than the TR/Moss Box. I am still mystified about the value of the Suplex Kit, but as I own one feel the DHC installation is about as good as I will get with this unit.