DESCRIPTION --Made of high-quality full aluminum construction --3 Rows of tubes core racing design --Direct bolt-on OE fitment or replacement --Improves cooling by 35% to 45% temperature --Core Size: 24.72" x 15.98" --Upper Inlet Hose: 1.50" Located on the driver side --Lower Outlet Hose: 1.75" Located on the passenger side --Fitment: For Chevy Bel Air 1963-1968 For Chevy Biscayne 1963-1968 For Chevy Impala 1963-1968 For Chevy Chevelle 1964-1967 For Chevy El Camino 1964-1967 --Package: Including all items in the pictures. Note: Professional Installation is Highly Recommended (No Instruction Included).