CNC Machined Mark 55H gear case.  Machined from a solid block of 6061 T6 aluminium.  We assembled this gear case with nearly all new parts, the only used part was a very nice driveshaft bushing. New factory gears, prop shaft, bearings, seals, impeller, small parts and reproduction water pump cartridge and driveshaft.  Shipping will be via USPS insured Priority Mail with the cost added to the price.