Perma-Cool Universal Engine Fan Spacer # PC24750 Rate_40 Universal Piston Ring Filer #

Universal Piston Ring Filer # 66785

U-Bolt Finish:Natural

Non-return

or any other high performance engine

Manufacturer Heat Range:6

Perma-Cool Universal Engine Fan Spacer # PC24750 Rate_40 Universal Piston Ring Filer #Perma Cool Universal Engine Fan Spacer # PC24750 Perma Cool Universal Engine Fan Spacer Replaces stock fan clutch when maximum airflow is necessary for additional cooling. For use with stock fan blades. Gas mileage will drop because fan blades spin constantly for full time cooling. NOT for use on high performance engines or engines that turn over 4200 RPM. For domestic cars with 2 3 8" or 2 5 8" fan blade pilot holes, and 5 8" or 3 4" pilot shafts.