Genuine Ski-Doo 47/40 secondary helix plus the sheave that helix rides in. Ski-Doo part # 417 126 709  price new is $104.99

This is VSA (variable sheave angle) design helix not ROLLER

The sheave is Ski-Doo part # 417 126 837 and all buttons are in sheave and are in great shape. Price new is $284.99

The sheave and helix came from a 2006 Ski-Doo MX Z Renegade X 800.

Both are in great shape.