Add to Cart Quaife Lancia Ypsilion Quaife Atb Helical Lsd Differential, Qdh2K-25 $1,307.54 Quaife ATB Helical LSD differential for the Lancia Ypsilion is a direct replacement for the standard Lancia Ypsilion open differential. The Quaife ATB Helical LSD differential transforms your car’s performance. Unlike a conventional plate-style... $1,307.54 Add to Cart