Includes AC pulley painted black with bearing and griptec finish on clutch surface. Includes shims.
MUST BE CORRECTLY SHIMMED TO FORD SPEC .020-.025 air gap, no warranty if slipped due to incorrect shimming.
*Does not work with VMP old 10-rib kits due to belt alignment differences in Roush vs. VMP FEAD systems.
*only use 8- and 10-rib versions with VMP/ATI overdrive balancers with a lip on each side of the supercharger drive pulley PN: VMP-918077 and VMP-918078