black valve cover ZC - has "ZC" & serial number stamped on front of block, has valve cover attaching bolts out beyond edges of valve cover
brown valve cover ZC - has "ZC" & serial number stamped on top of block next to transmission, right by the starter (not on front of block), doesn't have valve cover bolts at edge - black valve cover from 88-89 integra D16A1 will bolt right on