The Texas Twister crank driven fan is injection molded from glass filled nylon and is rated for 8000 RPM. The 6 blade fan has 14" blades configured for clockwise rotation and maximum airflow. The 4 bolt flange pattern is 1 3/4" x 2 1/2" and is slotted for easy installation. The pilot hole is 5/8" and depth is 1.92", with 1 3/4" from the back of the mounting surface. Kit includes mounting washers and Mr. Gasket brand fan spacers are recommended if required for installation, #2391 1/2", #2392 1", or #2393 2".
CA Residents:
WARNING: Cancer and Reproductive Harm - www.P65Warnings.ca.gov