They are rare to find new. This won't last long!
This is also an upgrade for the older Grand Prix's with the proper lower intake manifold and a throttle body adaptor plate. The item "NEW 04-07 PONTIAC GRAND PRIX SUPERCHARGER GT GTP Gen 5 V Eaton M90 0 miles" is in sale since Monday, January 8, 2018. This item is in the category "eBay Motors\Parts & Accessories\Car & Truck Parts\Turbos, Nitrous, Superchargers\Superchargers & Parts".
The seller is "911closeouts" and is located in Grand Rapids, Michigan. This item can be shipped to United States, Canada.