Why has the Ford 9-inch axle become the go-to axle for Ultra4 racing and hardcore use? It has a lot to do with the evolution of the axle assembly from the factory-built unit, to custom-fabricated axle ...
The damaged axle hub splines could also cause a loss of drive power while the vehicle is in motion. NHTSA stated that both conditions significantly increase the risk of crashes, posing a safety hazard ...