Naraku HD FKM Crank Bearing & Seal Kit for Piaggio AC / LC 2T 50cc. Heavy Duty (HD) crankshaft bearing set from Naraku, supplied with Japanese NTN bearings and FKM premium crankshaft seal rings. This product is suitable for the Vespa Primavera 50 2T 13-17 E2-E3 [ZAPC53200].