Billet Steering column firewall mountBillet steering column floor firewall mount. This is the cleanest and easiest way to mount the bottom of your column through the firewall. All of our brackets and firewall panels are designed to use. Polished billet aluminum finish. Comes with layout drill template for ease of installation. 2" or 2 1 4" inside diameter, 4" outside. Please verify column size before ordering. These are intended to be used with aftermarket column or factory floor shift.