Today, we're going to take a look at the Flex-A-Lite 18" belt driven flex fan. This is a standard rotation design, and as you can see it's blue in color. Now, this fan has the industry's highest rating of 10,000 RPM. this will replace the entire fan clutch assembly on your vehicle. This will deliver extra cooling at low engine speeds when you really need it. It has an aggressive pitched blade… see more >