FORD WINDSOR STAINLESS STEEL TRI-Y FULL LENGTH HEADERS. Genuine Cal Custom brand new Ford Small Block Stainless Steel Tri-Y Full Length Headers. Fits Ford Windsor 260, 289, 302 (not 351). Indent in left hand side secondary pipe to give chassis clearance (in certain applications). The header set includes 2 headers, 2 exhaust manifold gaskets, 2 collector gaskets, 1 bolt kit. Minor modifications may be required for fitment on certain models. If your vehicle is using aftermarket components, parts from other applications or custom-altered parts, then it is the installer’s responsibility to verify fitment.