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Finally got the upper & lower radiator hoses sorted. NAPA PN# 7196 (1.5" both ends) is correct a perfect fit for a 383-440 with a 22" radiator with a passenger side upper radiator connection, see attached pic. Napa PN# 7370 (1.75" both ends) when you are using a later water pump housing with a lower 1.75" neck is for the lower rad hose (drivers side) but you will have to trim to fit.
Chuck (snook)

Chuck (snook)
