Year:1965-67,1969-1970 Description: Single groove HiPo 289 >1/4/65, Boss 302, Boss 429 alternator pulley Application: Mustang/Shelby Finish: zinc dichromate Dimensions: 3.87" O.D. Engineering #: C5AF-10A352-H Jack’s Comments: This is good copy of the large single pulley C5AF-10A352-H for the HiPo 289’s >1/4/65 and the Boss 302/429.It does have the engineering number stamped on front face like the originals. Related Pictures: More Info or Links: Shipping US: UPS Ground Shipping NON-US: Call or email for an exact shipping quote