Now, the #1 selling direct drive truckmount in the world is ready for the next generation of Chevy/GMC V8 Van for both the 4.3L, V-6 engine and the 6.6L, V-8 engine and quite simply, it is the most powerful CDS ever made in its 36 year history. The newly refined CDS 4.8SV employs a streamlined power transfer system; increased vacuum performance; a more consistent heat delivery system, and does all that without compromising its industry leading space saving design.