625 HP Supercharged Fuel Injected 496 ATI is proud to announce the new ProCharger® Marine supercharger system for the Mercruiser® 496 Mag HO and 496 Mag motors. This ProCharger Marine system provides up to 625 reliable horsepower on pump gas with engine friendly intercooled boost. Installation is quick and straight forward, as this system requires no accessory relocation and features ATI’s exclusive internally lubricated supercharger design (no oil lines). This rugged supercharger is available with a 3-year extended warranty, and effortlessly produces industry-leading power on the 496. These systems also feature a compact intercooler specifically designed for the 496 motor. Installation is simple, with virtually no change to the engine envelope. Additionally, the 3.5 psi system is fully upgradable to the 5 psi system at any point, with the 3 year extended supercharger warranty still available.   496 MAG HO 580 HP (3.5 psi) or 625 HP (5 psi)   496 MAG 550 HP (3.5 psi) or 590 HP (5 psi)