Add to Cart Quaife Ford Usa 9" Live Axle Quaife Atb Helical Lsd Differential, Qdh1R $1,316.75 Quaife ATB Helical LSD differential for the Ford 9" is for a variety of model. A direct replacement for the standard open differential, the Quaife ATB Helical LSD differential transforms your car’s... $1,316.75 Add to Cart