Original style 1963-1967 Corvette rear bumper mount bolt kit. Includes correct "WB" or "M" headmarks bolts, washers and nuts for mounting 1963-1967 Corvette rear bumpers and braces to frame. Does not include bolt spacers.
Note: Includes the correct size 7/16-14 (5/8" wrench) zinc plated nuts as outlined in recent NCRS publications for 1963-1967 early model Corvettes. Later model 1967 Corvettes (after mid-january production) used larger 7/16-14 (11/16" wrench) black nuts. Both style nuts are included in this 1963-1967 Corvette rear bumper mount bolt kit.