CYL.HEAD Ø41-43 RADIAL PIAG.CIAO-CIAO PX Make Model PIAGGIO PIAGGIO CIAO 50 (spare part for cylinder kit Malossi 31 3761, 31 3763, 31 4380, 31 4381 : out of production) PIAGGIO PIAGGIO CIAO PX 50 (spare part for cylinder kit Malossi 31 3761, 31 3763, 31 4380, 31 4381 : out of production)