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 T-6061 Aluminum ConstructionStronger and Higher Capacity for Coolant than Stock UnitsMateral: AluminumRow: 3 Row/CoreInlet/Outlet: 1.5" / 1.75"Core Size: 16" high x 28-1/4" wide x2'' thickOverall Size: 19-1/4" h x 33-7/8"w at TanksProfessional Installation is Highly RecommendedNo Instruction Included Package includes:1X 3-Row Aluminum Radiator (Includes Radiator Cap)1X Aluminum Shroud2X 12" Fans (Includes mounting kits)1X Thermostat Relay KitJust as pictures show Fitment:1967-1972 C/K Series 10 20 30 Pickup Suburban V81969-1972 Blazer 5.0L 5.7LV81967-1979 G/P Series P10 P20 P30 G10 G20 G30 Van1970 1971 1972 GMC Jimmy I6 V81967-1972 GMC C/K Series K25/K2500 K35/K3500 C15/C1500 Pickup Suburban1967-1979 G/P Series P15 P25 P35 G15 G25 G35 Van