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 Overall Size: 858 x 525 x 116mm (33.78" x 20.67" x 4.57") Core Size: 717 x 478 x 62mm (28.23" x 18.82" x 2.44") Inlet/Outlet: 1.50" / 1.50" Transmission: Automatic and Manual. 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: Chevrolet Blazer/Jimmy 1973-1978 (400ci V8, 454ci V8) Chevrolet Blazer/Jimmy 1979 (305ci V8, 350ci V8, 400ci V8, 454ci V8) Chevrolet Blazer/Jimmy 1980 (305ci V8, 350ci V8, 454ci V8) Chevrolet Blazer/Jimmy 1981-1991 (250ci V8, 305ci V8, 350ci V8) Chevrolet C/K Series 1973-1980 (305ci V8, 350ci V8, 400ci V8, 454ci V8) Chevrolet C/K Series 1981-1987 (305ci V8, 350ci V8, 454ci V8) Chevrolet Suburban 1973-1975 (454ci V8) Chevrolet Suburban 1976-1979 (305ci V8, 350ci V8, 400ci V8, 454ci V8) Chevrolet Suburban (305ci V8, 350ci V8, 454ci V8) Chevrolet Suburban 1988-1991 (350ci V8) For the year and models, please check the compatibility.