bfo frame engine motor mounts bracket set for nova 307 350 1973 1979

application the engine motor mounts replace oem part number 3990914 for chevy small block engines 1958 thru 1972 . the frame mounts are direct replacements for the following per camaro firebird with 307 350 1974 1981 per chevelle, malibu, monte carlo and el camino with 307, 350, 402 and 454 1973 198