Use a 1953-1954 car water pump for a 235,it has the 3/8" pulley.The napa part number will be 58-126 . Use this with the adapter plate that pre68dave sells and it will be mounted in the right location.The water pump will have the pulley already installed.

Tim

1951 3100 Chevrolet
1951 Chevrolet Suburban Carryall
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