Sorry, I dont know what I did the first time around, but I must not have spelt it wrong on the Chemical Guys official website. They seem to be still selling it; however the supplier I source it from, does not.

Glossworkz Shampoo is very slick too!
I personally love the new 50Cal Tracer Shampoo - got a sample recently and waiting to get it in stock - very good
Bilt Hamber Auto Wash is very good too.