System Features Sanden SD 508 Compressor 7-Groove serpentine pulley Chrome FinishThe SD 508 compressor is recommended for any Vintage Air system. It pumps 8.4 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