Canton Racing 75-625 2.5" Fan Spacer Billet Aluminum with Bolt This fan spacer extends the fan 2.5 inches off the water pump flange. It comes with bolts and an adapter bushing for 5/8" and 3/4" water pump shafts. Designed to fit both Chevy and Fords. Fords Made In USA Billet Aluminum Lightweight And Strong