That is correct, BB 1 3/4" headers fit both low and raised deck, the 1 7/8" headers have different part numbers for 383/400 and 440.

BAXTER CHRYSLER JEEP DODGE - OMAHA,NEBRASKA 800-642-1524 - 402-493-0116 - PARTS@PERFORMANCEAUTO.COM MOPAR PERFORMANCE, RESTORATION PARTS TTi HEADERS AND EXHAUST DISTRIBUTOR LEGENDARY INTERIORS DEALER AR ENGINEERING DEALER