Ford small leaf spring housing with 3" 4130 tubes and brace, with any MW housing ends. Installation - Service instructions can be found on Service Bulletin #0057 and #0001. Due to the variety of options available, please collect your dimensions, know your suspension and how it will be mounted (4-link, leaf spring, ladder bar, etc.), then call 1-866-508-6394 or contact us to place your order.