1/2x20TPI stabilizer mounting bolt not included. Great for a steering stabilizer onto our steering kits, making removable racks, engine braces or many other applications that require a removable tab or bracket Do not use 1/2" threaded bolt for Hydro Assist Steering. Welding some tabs to double sheer the hydro assist mounting hole when using this Tie Rod OD Clamp. Clamp bolt torque 8-10ftlbs. Made from 4130 chromoly for reduced weight and strength! 6 bolt tube clamp for 1.5" outside diameter tube. Made from 1/2" wall 4130 tube and uses 1/4" allen head bolts. (1/2" bolt not included)