Optional 5/8" 4-bolt pulley alignment spacer for Small Block Ford Fluidampr applications
Harmonic Balancer - Fluidampr - SBF - Pulley Spacer - Optional 5/8" 4-bolt alignment - May be required on 1975+ applications - Each
Pulley Spacer. May be required with Fluidampr #650211 and #650231 for Ford Small Block applications 1975-later.