25-5/8" Wide x 17-1/8" tall x 4" deep, high-powered, dual, electric fan assembly will boost your vehicle's fuel economy and increase torque and horsepower. Aluminum shroud is rustproof and can be painted, polished or anodized.
Features:
Specs:
Whereas belt-driven fans use up power from the engine to turn, electric fans do not, thus removing any unnecessary load and increasing both fuel economy and horsepower. In addition, you do not have to worry about an electric fan's slowing down at low RPM, as many belt-driven fans do, so you are guaranteed sufficient airflow regardless of the vehicle speed.
While this assembly is intended for primary cooling and should, therefore, provide enough CFM to replace your vehicle's factory fan, you will still need to determine the CFM requirements for your engine before making your purchase. And remember, engines that have been modified or vehicles often used for towing may require additional CFM. There is no limit to the number of fans you can install, as long they all fit appropriately and are mounted on the same side of your radiator so that they do not cancel each other out.
Two types of turn-on sources are available for this fan. The Derale Lighted On/Off Switch for Electric Fans (D16740) allows for manual control of your fan so that you can choose when to turn it on and off. Thermostatic controls, on the other hand, send a signal to the fan, directing it to shut off when fluid temperatures reach an appropriate level, thus saving power. Once the temperature climbs again and additional cooling is needed, the fan is automatically turned back on. Thermostat switches can be single-stage with pre-set temperatures - D16735, D16738, D16739, D16720 and D16721 - or adjustable - D16788 and D16789.
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It is an excellent product. Works really well.
Excellent product for the price.
Fans & Shroud are doing a great job of keeping 900 HP @160 degrees even after 9 sec 1/4 mile pass.
very well made product highest cfm fans i could find plan on installing them into a 67 nova 565 bbc pro street will find out this summer!!! etrailer boxed it up nice and shipped quickly great service i bought from them before and will continue to buy from them very happy with products and service!!!
Could never get my 454 to run cool until I added this fan and shroud system now I don’t worry at all even driving through the California desert.
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