FTP Introduces a Heat Dissipation/Divider know as a Phenolic Spacer that mounts between your Motor, and Supercharger. From the Factory you have a Metal on Metal contact between the two. Our S/C Spacers allow for better cooling properties, by elevating the Metal on metal contact that creates Heat soak and Higher IATS! Comes with 4 OEM MB intake Gaskets for a seamless install!