Radiator includes 22-24 lbs.
. Flex-A-Lite Extruded Core Radiator 1967-1972 Full Size 1/2-ton GM Truck and SUV LS Engine;Increased contact area between the coolant and aluminum tubes for better heat rejection and cooling;A flat surface on which to braze the cooling fins, maximizing the contact between the tubes and fins for increased heat rejection and better cooling;The cooling fins have been designed with louver patterns cut into them to direct airflow, improving heat rejection and cooling;Wind-tunnel testing has shown that this Extruded Tube Core technology is significantly more efficient for cooling than standard tube radiators;The Flex-A-Lite Extruded Tube Core Radiators are significantly stronger and have a 100-psi burst rating;The Flex-A-Lite Extruded Tube Core Radiators include a corner subhead, reinforcing the cooling tube to header connection, an area prone to cracking and leaking in other brands of aluminum radiators;Covered by an exclusive Flex-A-Lite transferable 2-year warranty;California Residents: WARNING Flex-A-Lite Extruded Core Radiators provide significantly better cooling with a stronger, more durable and lighter design. cap and drain petcock.This direct-fit radiator is engineered to bolt into a 1967-1972 full-size 1/2-ton Chevrolet or GMC truck or SUV with an LS engine swap.