Product Description Specifications Our Harmonic Balancer kit includes 7/16", 1/2", 9/16", 5/8", 3/4", 12mm, 14mm and 16mm adapters to handle all domestic and foreign engine applications. Features a thrust bearing for gentle balancer installation. Category: Fabrication>Tools Core: N LTL: N MPN: 4920CPG Proposition 65: Y Special Order: Y