Just a heater core - I'll do-it-myself Price $149.00 Prev Next Product Description If you are a do it yourselfer or a shop that knows how to solder but do not have the means to make your own core, call us. We construct cores of all sizes and can size headers for your specific need. The return bend in the header allows you to place a Harrison "flanged" tank on top of header but we still will need to know the header to header, core depth, length width. Or just ship it to us and we'll use yours as a pattern. This price is for up to 8"x8"x2". You may mail your contact information, the heater core and assembly to: The Brassworks 500 Linne Road - Unit I Paso Robles, CA 93446 Email firstname.lastname@example.org when shipping the heater core so we know its in route. You may also fax a drawing with dimensions to 805-239-2545 to get the process started.