Aluminum bell housing for small block Chevy - Original application for ’62 or ’63 Nova - Nova/Chevy II bell with the smaller 4 3/16” bearing retainer hole Bell housing has been cleaned up and is in “as found” condition with no cracks or weld repairs found and rings true - some pitting from corrosion along the inside of the shell that has been blasted away clean as shown – not visible when installed – blasted with natural unpainted finish shown – threads in great shape - casting number 3788383