Source for master cylinder to Prop valve pre bent lines?

Just so you get the right lines know that in '69 the proportioning valve is after the brake tee ( which Chrysler began calling the safety switch).
https://www.web.imperialclub.info/Repair/Lit/Master/232/Page07.htm
Starting Jan 1970, the safety switch and proportioning valve were combined.
https://www.web.imperialclub.info/Repair/Lit/Master/274/page08.htm