The best 50cc kits on the market for PUCH! Finally go on a valve system with this kit ATHENA 50cc for PUCH MAXI, 1, 50 ... 2T. This complete kit consists of a high-end nicasil treated aluminum cylinder (EUROCILINDRO), ultra robust with excellent diagrams. The system has valves is included, the kit is therefore delivered with a box with double flap valves fiber and an intake pipe for carburetor PHBG 19 or 21mm. The system has valves can save a lot of torque in abs, recovery and high revs! As well as a reduction in consumption. The delivered piston is a piston mono-segment of excellent quality! The set comes with axle, clips, seals, instructions, screws, pipe, valves, cylinder ...