12 BOLT CHEVY REAREND BUILT TO YOUR SPECS NEW AXLES,BEARINGS , POSI, GEARS YOUR CHOICE OF RATIO BLASTED PRIMERED 40+ YEARS EXPERIENCE REBUILDING REARENDS BRAKES ARE OPTIONAL, POSSIBLE DISCS,DRUMS. REARS AVAILABLE WOULD ALSO FIT SAME BODIES IN BUICK,OLDS,PONTIAC just 1 core left!