Nodular iron thirdmember, standard spool, 8620 gears, MW tapered bearing pinion support, MW Ford pinion yoke, standard Master Line axles with Timken® wheel bearings and 1/2"-20 wheel stud. (less brakes). 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.