I mesured the axle and the spring perches. They are pattern mono leaf spring perhces and the hole centres are 3 1/2" for the u clamps and the axle tube is 3" dia and a u clamp bolt about 7" long should do it.
67 Firebird 350, TH350 auto Convertible, B&M 3000 TC, 4bbl Edelbrock Performer carb and intake Black Jack headers,disc brake conversion. 10 bolt chevy axle with 3.73's and B&M Rachet shifter.
