So is there a source for a frame connector for the 73-74 b bodys?

I see the C.E.s are shown to fit up to 74, but do they?


72 RR, Pump gas 440, 452s, 3800 lbs, Corked, ET Radials,. 11.33@117.72. Same car, bone stock 346s, 9.5 comp, baby solid. 12.24@110.