These are universal supercharger kits designed for vehicles equipped with carbureted big block Dodge 440 RB engines. Supplied pulley ratio will produce approximately 5-6 psi at 6000 RPM on a lightly modified 440c.i. engine. Horsepower gains (depending on
etc. Most of these parts are NOT emissions legal. The price of these components alone is higher than a supercharger system. The labor to install these is also much higher. Then there are the inherent problems brought to the vehicle by such a build. A large cam...