You won't find any tricks or cheap parts with our kits, every one of our kits is over kill, more CFM than what the engine needs, no airflow blockage and low amp draw top quality fans. Shrouds are not needed with our kits (unless the radiator is very small or you are doing serious towing or snow plowing or any type low speed working), the ffd kits will cover 85% of the radiator or better, Cadillac, Chevy, Pontiac ,Dodge all have used electric fans without shrouds from the factory.