1956-1958 C1 Front Body Mount Reinforcement, RH - OEM Number(s) (3767534)
1956-1958 Corvette LH Front Body Mount Reinforcement. This plate rivets to body at bottom of firewall, then to the frame mount. Like most underbody steel plates they rust out with time and need replaced. Mid America Motorworks has most plates and mount rivets.
Also known under these part numbers: (For reference only)