Description: This aluminum radiator is designed to provide maximum cooling efficiency to prevent premature engine failure. Its light-weight, and high-heat transferring aluminum features a tube and fin design that, dramatically increases surface area that enables the heat to dissipate more efficiently. This Aluminum Radiator is at least 40% more efficient than stock ones. Most importantly, it has a much higher capacity for coolant than stock ones, which means that your cooling system will be more efficient and will be more resistant to temperature surges in racing applications. 100% Brand new and never been used. Made of High Quality Full AA5052 Aluminum Construction Stronger and Higher Capacity for Coolant than Stock Units 3-Row Light-Weight Racing Design Core Size: 406 x 627.52 x 52mm (15.98" x 24.71" x 2.05") Upper inlet: 1.50" Lower outlet: 1.75" Direct Bolt-On OE Fitment or Replacement Improves Cooling by 35% to 45% Temperature Professional Installation is Highly Recommended No Instruction Included Package includes: 1X Aluminum Racing Radiator Just as pictures show Fitment: 1963-1968 Chevrolet Impala 3.8L 4.1L 4.6L L6 5.0L 6.5L 7.0L V8 1963-1968 Chevrolet Bel Air 3.8L 4.1L 4.6L L6 5.0L 6.5L 7.0L V8 1964-1965 Chevrolet Chevelle 3.2L 3.8L L6 4.6L 5.3L V8 1963-1968 Chevrolet Biscayne 3.8L 4.1L 4.6L L6 5.0L 6.5L 7.0L V8 1967-1968 Chevrolet Caprice 3.2L 3.8L L6 4.6L 5.3L V8 1959-1965 Chevrolet El Camino 3.2L 3.8L L6 4.6L 5.3L V8 1959-1961 Chevrolet Kingswood 3.8L 4.6L 5.7L 1966-1967 Chevrolet Malibu 3.2L 3.8L 4.1L 4.6L L6 5.3L 6.5L V8 For the year and models, please check the compatibility.