PST's 1.03 Torsion Bars are back in stock

Could someone please tell me alittle more about t bars my 65 valiant sits low in front has old bars. I have no idea what stock height is want to by new bars but not sure which ones. This is just a street car no racing. Was 6cyl now 340. Any help would be great. Only numbers I can find our 622 bth and 623 bth on the bars in the car.Thanks