[...] part number mrg9764 maybe drop the mrg. 27" tube for turbo 350 uses o-ring. Specialty products offers 7401 that is 23.5 " and 7402 that is 33.5 "and trans dapt has 4994 that is 34" and 4995 that is 24" and a 9421 that is 27" long hope this helps. Login to read more.