Where can I buy radiator cores and end tanks

[quadcam boat]

I want to build my own air to water intercooler. Because it is going in a boat and will have fresh river water (freshwater) running tthrough it I want to build it in brass. Does anyone know a supplier that sells cores and end tanks?

 

[Zuffen]

Talk to you local radiator shop.

He would have all the right contacts and information to hand.

 

[quadcam boat]

Yeah, I live in a small country town, and there is not much here in the radiator department.
Might give the yellow pages a go if no one can reccomend a supplier of these bits.