70 dart 3 point seat belts where to get? need original style

[73dart360]

70 dart bench seat car, I purchased the new 3 point conversion seat belts they dont allow the seat to move back because the retractor blocks the seat, it sticks out about 2.5 -3" my car has the post mounts for across the shoulder that is good ,is there anybody that sells oe style 3 point bench seat - seat belts

 

[dano]

Could try this, its what Seat belts plus sells with their 71-up Mopar belts. I don't why they don't have them with the the 70-down sets.