System Features Sanden SD 709 Compressor 8-Groove serpentine pulley Standard Finish 7-cylinder 9.5 c.i.The SD 709 compressor is recommended for any Vintage Air system. It pumps 9.5 cubic inches per revolution with a maximum 6000 sustained RPM range. Available in standard finish or polished as shown. Fits all Vintage Air brackets Vehicle Fitment warning California Proposition 65 arrow_drop_down WARNING: California proposition 65