SB bell housing -734

Bell housing Per Brewers site: 10.5″ small block bellhousing cast #3515734 to fit 1972-4 A-body (will also fit 1967-1971 A-body if BSB734 bellhousing ballstud bracket is used) and 1970-4 E-body (except 1970 with reverse lockout linkage) 318/340 3 & 4-speed applications, 4.354″ bearing retainer opening, uses 130 tooth flywheel.