One of the easiest things you can do to boost horsepower in your supercharged 2001-04 5.4L SVT Lightning is to change the blower pulley on the crankshaft. This new 9" pulley has a larger diameter, which provides for more revolutions which equals up to 6 extra lbs of BOOST! CNC machined aluminum pulley features a black anodized finish and includes attaching bolts.
ASP - Quality. Performance. Products.
ASP is one of the industry's leading producers of Mustang performance pulleys. Since 1988 ASP has been machining underdrive pulleys in house to give you the most performance for your Mustang. Each pulley goes through a CNC lathe for accurate measuring and cutting. The pulleys go through 2 cycles and a quality check to ensure each part is perfect before it leaves out of the door. Shop ASP Racing underdrive pulleys at LatemodelRestoration.com.