AC compressor is an original  GM FRIGIDAIRE part, specifically designed for the 1970 Corvette models. The compressor bears the manufacturer part number 6555302 & 5910741 and is dated December 1969 (L139). It is suitable for use in other vehicle models. The compressor has been previously used and looks to be in working condition. DATE IS HARD TO READ BUT THATS WHAT I SEE. LARGE PULLEY FOR BBC AND HP ENGINES.  #4MCOMP