6 Rib Saleen pulleys are CNC machined from billet aluminum to provide
the lightest yet strongest pulley available. Because of altitude,
engine and exhaust modifications, and air quality boost levels may
differ per pulley size.
but not all Saleen superchargers require grinding/machining of the
snout or pulley when you choose to go to a 2.8 and 3.0 pulley, the 3.2
is the smallest that will fit if you choose not to machine the snout or
pulley. A dremel tool can accomplish this but Brenspeed does not