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Engine builders and hot rodders, this is a slick little upgrade. It's a 3-inch tall cooling fan spacer, CNC-machined from a solid block of aluminum (that's the \billet\ part). Made by Southwest Speed, part number 410-508. Why do you need it? It moves your mechanical fan further away from the water pump pulley, which can help with clearance issues, improve airflow through the radiator, or just give your engine bay a cleaner, more custom look. The aluminum is strong and looks great – way better than a stack of old washers. Perfect for vintage muscle cars, race cars, or any project where you're fine-tuning your cooling system. Brand new in the package. Just slide it onto the water pump studs before mounting your fan. Simple install, professional result.
4.5 out of 5