Procharger Intercooled 1998-2001 Mercruiser 7.4 MPI System
The low compression of the 7.4 MPI makes it an excellent candidate for modern supercharging technology, producing large percentage power gains with relatively low boost levels.
Increases crankshaft power form 340 hp to 500 hp (5 psi) or 560 hp (7 psi**)
100% complete, includes high-performance fuel pump and complete fuel system
Installs quickly with no internal engine modifications
3-year (5 psi) or 1-year (7 psi) supercharger warranty
Features M-1 ProCharger and AW-324 Intercooler
Coolest charge air temperatures for maximum performance and engine reliability
560 hp package (7 psi) requires installation of larger fuel injectors and fuel pump upgrade
NOTE: Call to Order. Payment by Wire Transfer Only.