NOS fuel tank sending unit for various 1968 1969 and 1970 GM cars including Chevelle. GM part # 6428034. This has the single feed line with no return line. Correct for 69 and 70 Chevelle SS with L78, and early 70 Chevelle SS with LS6 (before March 70). Check your build sheet for code 727 in Box #33 on Chevelles, which indicates the single-port 40727 fuel pump and which corresponds to this sending unit.
This is new in the original AC GM box. It is also older pre-barcode stock from the 1960s. (box is dated 5-25-69).
