Inner rod assemblies have increased shaft diameter to improve strength, Tie-rod end kit left, inner and outer – contains both tie-rod end and shaft that connects to the steering rack as well as the outer tie-rod end; kit also contains a boot and required hardware for the left (driver) side, Tie-Rod End Kit Right, Inner and outer – contains both tie-rod end and shaft that connects to the steering rack as well as the outer tie-rod end; kit also contains a boot and required hardware for the right (passenger) side, Kit includes heavy-duty inner and outer rod ends with replacement boot, clamps and any required lock washers