HEY WITH YOU ALUM HEADS AND INTAKE AND THE 750 CARB , I WOULD PUT A MOPAR CAM IN A 484 STREET HEMI CAM . I HAVE PUT THIS CAM IN A LOT OF 383 AND 400 ENGINES . WORKS VERY WELL ON THE STREET . WILL WORK WITH YOUR HEADS AND INTAKE AND THE 750 CARB . ( A REAL MOPAR MAN)