Fit to:Ford F-100 4.9L L6 4917cc 300ci 1978-1979 Ford F-100 3.9L L6 3933cc 240ci 1970-1974 Ford F-100 3.9L L6 240ci 1970-1974 Ford F-150 4.9L L6 4917cc 300ci 1978-1979 Ford F-250 4.9L L6 4917cc 300ci 1978-1979 Ford F-250 3.9L L6 3933cc 240ci 1970-1974 Ford F-250 3.9L L6 240ci 1970-1974 Ford F-350 4.9L L6 4917cc 300ci 1978-1979 Ford F-350 3.9L L6 3933cc 240ci 1970-1974 Ford F-350 3.9L L6 240ci 1970-1974 Core size: 18.31" x 17.8" x 1.26" Inlet Diameter: 1.50" Outlet Diameter: 1.75".
