Throughout the 1960s and 70s, Motion Performance was the largest company that performed aftermarket tuning on GM vehicles. While designing the Corvette Manta Ray GT, one of many Motion Performance-tuned vehicles, builders used a 1972 `Vette as a model to explore different design schemes and see what worked.

This concept car made its auto show rounds, changing owners many times in the process, but most enthusiasts simply saw it as a deformed version of the Manta Ray GT. Several years ago this custom Corvette made its way back onto the selling block and when its original builder, Joel Rosen, was question about it from a potential buyer, he wrote it off as a poorly duplicated version of one of Motion?s Corvette kits.

As time went by and Rosen learned a little more about the car, he came to find out that this was the long-lost and long-forgotten concept car he worked on in 1972. Talk about a strange set of events to lead up to finding one of the rarest Corvettes on the planet.[...]

Source: topspeed