1956-62 Corvette Wheel Cylinder to Backing Plate Bolt w/ ‘LG’ HM Indented Hex SKU# 600

5/16-18 x 3/4″ Bolt with ‘LG’ head mark, Cad, indented hex SEMS with external tooth lock washer.  Attaches RPO 684 HD brake hardware to backing plate on 57-62 cars.  Wheel cylinder attaching for 53-64, Oil pan end bolt, all S.B. at corner locations.