The Following manufacturer(s) and key numbers are identical matches to this listing:
Ilco EZ - B44
Ilco - P1098E

For Ignition switch of various models

This pairs with the " H " Key - B45 - S1098H for GM / Chevy (door locks)
Link: https://www.ebay.com/itm/256861584316


----- ADDITONAL INFORMATION -----
ALL GM PAIRS FOR MODELS 1968-1994 
(A , B) 1971 + 1975 + 1979 + 1983-1986
(C, D) 1968 + 1972 + 1976 + 1980 + 1987-1990
(E, H) 1969 + 1973 + 1977 + 1981 + 1991-1994
(J, K)  1970 + 1974 + 1978 + 1982

*Various Models used the ignition key to unlock the driver door*

Link to A - https://www.ebay.com/itm/256257802317 (Ignition)
Link to B - https://www.ebay.com/itm/256257802336 (Door Locks)

Link to C - coming soon (Ignition)
Link to D - https://www.ebay.com/itm/256861586529 (Door Locks)

Link to E - https://www.ebay.com/itm/256257802272 (Ignition)
Link to H - https://www.ebay.com/itm/256861584316 (Door Locks)

Link to J - https://www.ebay.com/itm/256820476782 (Ignition)
Link to K - https://www.ebay.com/itm/256840473417 (Door Locks)



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