[Specifications]: Core Size: 17"high x 20 3/4"wide; Overall Size: 19"high x 27"wide; Upper Radiator Hose(Left): 1 1/2"; Lower Radiator Hose (Right): 1 1/2"; Auto Transmission Oil Cooler: Build-in [Vehicle Fitment]: For 1980-1987 Oldsmobile Cutlass 80-87/Buick Regal; For 1968-1974 Chevy Bel Air/Impala/Biscayne/Nova; For 1975-1987 Chevy El Camino/Caballero; For 1966 1967 Buick Skylark,Special,GS,Sportwagon; For 1980-1985 Pontiac Tempest 1968-70/Bonneville; [Reference Number]: Manufacturer Part Number: 571 CC571,AE571,EC571,MC571,21369,RA1213,PRO569F; Interchange Part Number: CU571,SBR571,PR0571,KKS571,21369,A571,REA41-571A; OE/OEM Part Number: 571,CC571,CU571,1605-560203,9147,43-3571; Other Part Number: RA571,RK571,SPTCU571,1605-560203,9147,43-3571; [Advantage]: Full aluminum construction with durable, TIG-welded end tanks, increased durability over the factory plastic end tank radiator. All aluminum construction & TIG-welded craftsmanship fully. High performance design, improves cooling by 30%+ temp [Customer Support]: If you have any questions, never mind contact our friendly,helpful,and knowledgeable customer service representatives,we will be glad to address any questions or concerns promptly. This Listing Is Including: 1 X 3-Row Aluminum Radiator (Includes Radiator Cap) This Radiator Compatible With For 1980-1987 Oldsmobile Cutlass 80-87/Buick Regal; For 1968-1974 Chevy Bel Air/Impala/Biscayne/Nova; For 1975-1987 Chevy El Camino/Caballero; For 1966 1967 Buick Skylark,Special,GS,Sportwagon; For 1980-1985 Pontiac Tempest 1968-70/Bonneville; Manufacturer Part Number: 571 CC571,AE571,EC571,MC571,21369,RA1213,PRO569F; Interchange Part Number: CU571,SBR571,PR0571,KKS571,21369,A571,REA41-571A; OE/OEM Part Number: 571,CC571,CU571,1605-560203,9147,43-3571; Other Part Number: RA571,RK571,SPTCU571,1605-560203,9147,43-3571; Radiator Specification 3 Row of tubes Core Racing Design Material: Full Aluminium Core and Tank: All Aluminum Surface Finish:Aircraft Grade 5052 Raw Aluminum OEM style brass petcock drain CNC precision machined radiator cap The core of the radiator is welded in vacuum brazing furnace, no epoxy. The Radiator are 100% welded by TIG. Stronger & Higher Capacity for Coolant than OEM units