Condition: Used Manufacturer Part Number: 3872778 Surface Finish: Cast blast coating Placement on Vehicle: Left, Right HERES A SET OF CORVETTE MANIFOLDS WITH A WORKING HEAT RIZER AND THE FLANGES RH 3872778 DATE IS H 16 7 LH 3872788 DATE IS I 2 7 STUD HOLES ARE IN GOOD SHAPE AS WELL AS THE AIR TUBE HOLES ANY QUESTIONS CALL OR TEXT KEVIN 253 327 3696