I have purchased the radiator indicated in the post by Phak1 I was pleasantly by surprised by the thickness of the aluminum in the tanks and the overall quality. The only concern was the packing. The cardboard box seemed very brittle and was slightly damaged when it arrived. Fortunately, the rad was OK

1954 Chevy 1300 engine 235 (1959)
1955 (first series) Chevy 3100 engine 261 (1957)
1927 (other brand) Model T- engine 327 (1968)