ProX Piston A Kit - Beta RR 300 2013-17 (71.94mm). ProX pistons are precision machined on the latest, state of the art CNC equipment. The same low-expansion, low-friction piston alloy is used as is used for all major Japanese engine manufacturers. ProX Piston Kits are a first class solution to replace the original piston in your Motorcycle, Scooter, Moped, ATV, Personal Watercraft, etc.ProX have developed a new skirt coating that not only assists the wear in process, but also helps reducing friction after the wear in. The black coating is made from a delicate mix of materials and will increase performance. ProX Piston Kits for sleeved cylinders are available in standard size and a wide range of oversizes. The availability of oversizes up to 2mm significantly helps to increase the lifespan of a cylinder by offering more re-boring possibilities. Take advantage of the additional oversizes to extend the lifespan of plated cylinders. All ProX Piston Kits are supplied complete with Piston Rings, Wrist Pin and Circlips, ready to install! Please note: Image for illustration. All cheques are to be made payable to Dennis Winter Ltd. This item is in the category "Vehicle Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Pistons, Rings & Pistons Kits". The seller is "denniswinters" and is located in this country: GB. This item can be shipped to United Kingdom, North, South, or Latin America, all countries in continental Asia, European Union, Australia, New Zealand, Norway, Switzerland, Egypt, Guernsey, Gibraltar, Iceland, Jersey, Liechtenstein, Monaco, Reunion, South Africa.