Description: 100% Brand New Motorcycle Carburetor Main Jet Kit(12 Pieces) Main jet flow specifications currently available are: 140.142.145.148.150.152.155.158.160.162.165.168. Main jet can be used: for Keihin PWK FCR OKO KOSO Carburetor Material: Copper Good quality, good working condition. Package Includes: 12 Pieces Injector Nozzles Note: Please check as much as possible to make sure the item is the one that you need