Add to Cart Quaife Toyota Ec60 Gearbox Quaife Atb Helical Lsd Differential, Qdf29E $1,426.31 Quaife ATB Helical LSD differential for the Lotus Elise SC and Cup using the Toyota EC60 Gearbox. A direct replacement for the standard open differential, the Quaife ATB Helical LSD differential transforms your car’s performance. Unlike a... $1,426.31 Add to Cart