Ford Racing Heads M-6049-C460 These Ford Racing 460 Sportsman wedge-style cylinder heads are manufactured from 356-T6 aluminum, and feature bronze valve guides, raised intake and exhaust ports, and a 65cc wedge-style combustion chamber. Recommended intake valve size is 2.450 in. and 1.900 in. for the exhaust valve. The cylinder heads are based on the design of the Ford Racing 351 Yates performance head. CYLINDER HEAD Ford Racing Ford RACNG 460 Sportsman WEDGE-STYLE Cylinder Heads