New Product: Stock Location Oil Return for IHI Mar 8, 2011 3:11:54 GMT -5 Quote Select PostDeselect PostLink to PostMemberGive GiftBack to Top Post by Stinger on Mar 8, 2011 3:11:54 GMT -5 We've now got an oil return line available that was specifically designed for use with IHI turbos. This is the same size (AN-10) as our other return lines. Price is $70 shipped including aluminum flange.