Procharger Supercharger Model P600B complete kit. Fits 1979-1995 Mustang w/ 302 engine. This unit can make a max boost of 24 lbs and about 800 horsepower with right setup. For more information on this kit log onto procharger.com and click superchargers link for full information about this kit. Comes with brackets, fairly new tensioner w/ pulley, and air-to-air intercooler.