Replaces Original Steering Box Includes Steering Box To Mounting Plate bracket 3/4-30 Splined Output Shaft NOTE: If you are buying our 605 conversion kit, this box and bracket will be included. This box and bracket is only necessary when sourcing a 605 steering box else where for your 1959-60 El Camino This El Camino replacement 605 steering box has been manufactured to meet or exceed factory specifications and performance. You will find the fit and function will work perfectly for your vehicle. You will also be pleased to know that the El Camino Store has sourced this 605 steering box among other possible parts as the best choice for your repair or restoration project.