You are buying 2 arm support push nuts / front seat frame to pin push nut retainer 

 1957 - 1966 Chev & front seat frame to pin push nut retainer for 1966 - 67 Chev Olds Pontiac & Buick. 

Search 4495047 To find all Fitments for this part

Oldsmobile

1958 - 1965 88 S88 ( 98 2 Doors )

1966 - 1970 Exc bucket Seat

1971 - 1974 All 2 doors with Bench Seat

1973 - 1975 All Bucket Seat

1973 - 1974 AF AG37 BL57 BN57 -67 CT 37 CV37 EY Bench Seat

1973 1974  CV37 CX37 EX w/60/40 Seat

1974 AF AG37 AJ57 BL57 BN57-67 CV37 EY BEnch Seat

Camaro

1960 727-927

1961 64/600-727-900

1965 105-107 Sup 4714626

1966

1967 101 - 37 - 105 -37 39

1968

BOX NOT INCLUDED

Oversupply in C MB86