QA1 Frame Crossmember 52315QA1's Mopar K Members are direct bolt on for your 66 70 Mopar B Body. Engineered for maximized strength, the tubular design allows for greater header and oil pan clearance. The K Member comes with engine mount attachment points to accept factory and aftermarket engine mounts. If using a sway bar, the 1966 69 B body K members only work with a QA1 sway bar and control arms. The E body and 1970 72 B body K members can be used with a factory sway bar and