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Casa HD4 Race Crank 50mm Stroke Product Code: RLCX810M4S
CASA PERFORMANCE HD4 STROKER - 50MM LONG STROKE CRANKSHAFT FOR VEGA + COMETA + J125 M4 STARSTREAM. This is the HD4 STROKER (heavy duty) 4-speed 50mm LONG STROKE crankshaft, manufactured exclusively for Casa Performance in Italy. It is special crank for all smallframe Lambretta 4-speed Vega, Cometa and J125 M4 Starstream engine casings. Please note that this will NOT fit 3-speed engine casings.