Ford Racing Crankshaft Pulley Spacer - M-8510-C351

These crankshaft spacers are specifically designed for use with Ford Racing's crank dampers to achieve proper belt alignment on earlier model 5.0L and 5.8L engines. They are precision-machined on CNC equipment for a perfect fit, have a 3 or 4-bolt pulley pattern, and are available in three thicknesses for different engines.
Installation Instructions