Add to Cart Quaife Nissan R230 300Zx Quaife Atb Helical Lsd Differential, Qdf12L $1,813.10 Quaife ATB Helical LSD differential is suitable for Nissan R230 300ZX. A direct replacement for the standard Nissan open differential, the Quaife ATB Helical LSD differential transforms your car’s performance. Unlike a conventional plate-style... $1,813.10 Add to Cart