Derale High Performance Aluminum Flex Fan 17" # DER-19817 Cylinder Head Size 65 # HO122-65

Size 65 # HO122-65

Core Height (in):10

This is because there are two mounting locations for the Ford Alternator depending on what accessories you are running

Note: Ford had two mounting locations for their alternator brackets depending on which accessories were installed on the vehicle

Derale High Performance Aluminum Flex Fan 17" # DER-19817 Cylinder Head Size 65 # HO122-65Derale High Performance Aluminum Flex Fan 17" # DER 19817 17" HP Alum. Flex Fan (Red Blade Black Hub) Aluminum Fan Specifications: Diameter: 17" Flange bolt spacing: 1 3 4' 2 1 4" Depth: 1 1 8" Mounting surface to front: 1 4" Mounting surface to rear: 7 8" Blade pitch: 500 Rotation: Standard (clockwise) Hub construction: Powder coated black steel Blade construction: Anodized red aluminum