Casa Performance Hi-Flow fan - Varitronic IDM 4 pole electronic ignition version. It replaces the standard plastic made fan, increase cooling, and performance, thanks to a new improved fan's design. 100% made in Italy by Casa Performance, CNC made from billet alloy.
It can be fitted on ALL Lambretta models S1 + S2 + S3 + GP + Serveta equipped with Varitronic electronic ignition kit, LI/SX or GP type crankshaft.