Add to Cart Quaife Mazda 3 Mps Quaife Atb Helical Lsd Differential, Qdf7F $877.58 Quaife ATB Helical LSD differential for the Mazda 3 MPS 2.3 Litre Turbo 2WD gearbox. A direct replacement for the standard open differential, the Quaife ATB Helical LSD differential transforms your car’s performance. Unlike a conventional... $877.58 Add to Cart