Harmonic Balancer Installation Tool - Big Block Chevy

These Moroso harmonic balancer tools use a pilot stud which keeps the harmonic balancer perpendicular to the crankshaft's centerline for a bind-free installation. Using a thrust bearing and protective washer the drive nut can rotate freely allowing the balancer to be pressed on easily. These Moroso harmonic balancer tools use a pilot stud which keeps the harmonic balancer perpendicular to the crankshaft's centerline for a bind-free installation. Using a thrust bearing and protective washer the drive nut can rotate freely allowing the balancer to be pressed on easily.