Product Description Specifications Caliper Bridge Spacer for Forged Dynalite / Billet Dynalite and NDL Calipers. Available in various thicknesses for .50†thru 1.25†rotor widths. Made from high strength aluminum alloy. Category: Brakes, Rotors & Pads>Brake Hardware Core: N LTL: N MPN: 300-4914 Proposition 65: N Special Order: Y