Derale Heavy Duty Flex Fans provide maximum airflow at low RPMs when the vehicle speed provides little or no airflow through the radiator. At higher RPMs, the vehicle speed provides ample airflow and the fan blades flatten out to minimize engine loading, increasing horsepower and mileage. Fan spacer and nose cone kits sold separately.
STAINLESS BLADE BLACK HUB
Standard Rotation: 13” - 19”
Reverse Rotation: 17” - 19”
Standard Rotation: 13” - 19”
Reverse Rotation: 17” - 19”
Shown with optional nose cone spacer kit.
POLISHED BLADE CHROME HUB
High Performance Flex Fans feature a narrow blade design for maximum airflow in tight space applications. Embossed center hubs and four-rivet blade attachment provide increased strength.
HIGH PERFORMANCE ALUMINUM FANS
HIGH PERFORMANCE
ALUMINUM
Shown with optional nose cone spacer kit.
Our plastic fans provide ample airflow at a reasonable price. The lightweight design extends water pump life. Standard rotation only.
STAINLESS BLADE BLACK CENTER
POLISHED BLADE CHROME CENTER
Shown with optional nose cone spacer kit.
Standard Rotation: 13” - 18”
Reverse Rotation: 13” - 18”
Our fan clutch fans are designed to replace the factory fan. The 8-hole center hub will fit most OE fan clutches. Standard or reverse rotation.
Our rigid all metal fans provide more airflow than factory fans at all RPMs. They meet most racing regulations requiring metal belt-driven fans. They are available with steel fan blades in standard or reverse rotation and aluminum fan blades in standard rotation. Fan spacer kits sold separately. STEEL OR ALUMINUM BLADES.
Our extruded aluminum fan spacers are available in a variety of sizes and come with a clear anodized finish. Mounting hardware included. Refer to instructions below for choosing the correct fan spacer.
CLICK ON TECH INFO ABOVE FOR INFORMATION ON
CHOOSING THE RIGHT FAN SPACER FOR YOU APPLICATION.