They mount using the same points as the stock covers. These covers are 1/8" 5052 aluminum plate with rolled edges. These coil covers are the raw product. Nothing has been done to them making them perfect for the DIY project. These coil covers are for a Magna charger application. $ 395.00

http://www.smokinvette.com/corvettephotos/data/500/bare_coil_covers_007.jpg

http://www.smokinvette.com/corvettephotos/data/500/bare_coil_covers_005.jpg