Titanium adjustable f/c body saddle at firewall. This is an adjustable 1 1/4" body saddle for a f/c body. The stud has a 1/2-20 thread and requires 1 -- M-3405 tube adapter for steel spaghetti applications or 1 -- M-3405-T for titanium spaghetti applications per F-160-BT to mount.