Add to Cart Quaife Gm M32 Quaife Atb Helical Lsd Differential, Qdf25B $884.11 Quaife ATB Helical LSD differential for the M32 Gearbox. A direct replacement for the standard open differential, the Quaife ATB Helical LSD differential transforms your car’s performance. Unlike a conventional plate-style limited slip... $884.11 Add to Cart