Trans c'member bolt. A threaded rod with a drive head (such as hex, 12 point, torx, etc.) on one end used to secure the Instrument Panel Crossmember to a mounting point. Air Filter Housing Bolt. Battery Tray Bolt. Fuel Tank Strap Bolt. Instrument Panel Bolt. Instrument Panel Center Support Bolt. Suspension Crossmember Bolt. Transmission Crossmember Bolt.