Home HPR557 63-66 C/K PICKUP TRUCK 3.8L/5.7L$244.95PriceAdd to CartDetails Inlet: 1.75" / Outlet: 1.73" / Rows: 3 Core Size: 22.75" x 17.5" x 2" / Overall Size: 24.5" x 22.75" x 4.25" 10 year manufacturer warranty