Supercharger Assembly (IHI 105S twin‑screw type) Used on Verado L6 engines in the 200 / 225 / 250 / 275 / 300 HP families.It is the complete supercharger unit, not a rebuild kit, gasket, or sub‑component. This part is shown as Reference #1 in Verado supercharger diagrams. This Supercharger spins freely, but is not at peak performance and its wear is unknown as it should be sent fir service and rebuild for peak performance.