Low inertia ergal aluminum flywheel weighs in at only 2.025 pounds. Provides quick reving, instant throttle response. Original configuration 10 spring flywheel uses standard twin plate clutch internals. Replaces OEM flywheel 04067000. Suitable replacement for all V11 Sport and V11 LeMans models 1999-2005. Requires use of dual plate clutch internals on machines originally equipped with a single plate clutch. This flywheel is also a direct replacement for early twin plate CARC models: Griso 850, Griso 1100, Stelvio, Norge 850, Norge 1200, Breva 850, Breva 1100, Breva 1200, Sport 1200, 1200 Sport, and Bellagio 940.