Derale Heavy-Duty Flex Fan 19" Heavy Duty # DER-17019 Rate_12 Filter extensions are included for

Filter extensions are included for those applications that require the filter to be moved closer to the bottom of the pan

They feature an embossed metal design that will not flex or bend under high engine temperatures

Knock-outs in the air cleaner base for use with Edelbrock crank case ventilation adapters (sold separately) are provided

Ford 429 460 2Y Crankshaft Flexplate Suits C6 Transmission # FRA-207

Derale Heavy-Duty Flex Fan 19" Heavy Duty # DER-17019 Rate_12 Filter extensions are included forFan, Flex Type, Heavy Duty, Clockwise, 19 in. Diameter, Stainless Steel Blades Steel Hub, Universal, Each Rotation: Clockwise Clutch Required: No Blade Type: Flex Diameter (in.): 19. 000 in. Number of Blades: 6 blades Blade Color: Natural Blade Material: Stainless steel Hub Color: Black Hub Material: Steel Remanufactured: No Quantity: Sold individually. Derale Heavy Duty Flex Fans Derale heavy duty flex fans generate maximum airflow at low rpm and