A solid axle swap (SAS) kit for the Ford Ranger is a comprehensive set of components designed to replace the vehicle’s factory independent front suspension (IFS) with a more robust solid axle. This conversion typically involves a high-strength axle assembly, leaf springs or coil springs, custom mounting brackets, steering linkages, and sometimes upgraded braking systems. Examples of components included are: Dana 44 or Dana 60 axles, radius arms, track bars, and appropriate shock absorbers.
The impetus behind undertaking such a modification stems from a desire for enhanced off-road capabilities, increased durability, and improved articulation. The substitution of the factory IFS with a solid axle improves the vehicle’s ability to traverse challenging terrain and withstand significant stress encountered during intense off-road activities. Historically, this modification has been popular among off-road enthusiasts seeking to push the limits of their vehicle’s performance.