Front Mounts on 1998-2001 Mercruiser, GM 7.4L/454 MPI Multi Port Fuel Injected engines w/ center discharge exhaust. This kit works on Bravo and straight inboard applications, WILL NOT work on V-Drive applications. Works on engines with Serpentine Belt. If engine is a Magnum, additonal required MCB8MG kit must be ordered ($20). This system cools and protects the engine block only. Kit comes complete with detailed installation instructions.