Exhaust manifolds

IV got some that i dont know what they are for...iv got some numbers if someone can help me...i have a pair that came with a manual steerring car that i cant use any more iv gone to power steering...4041466 is one side and 3870337-1 is the other side ...any one know what they fit..driv side is rear dump and came on a four speed car....tx..j
the other numbers are 2843953 3614395 3418623 3614368-1 any help would be greatly appreciated...j