{"product_id":"prox-piston-kit-yz125-05-21-yz125x-20-22-53-98mm","title":"Prox Piston Kit Yz125 `05-21 + Yz125x `20-22 (53.98mm)","description":"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. \nCoated for ultimate performance\nMost of the ProX pistons come with a coating. Our OEM style Tin coated pistons assist the wear in process when you just started the bike. We 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.     Product specifications    Attribute Value     Additional Info 2 Lub. Holes Exh. Skirt, Cast Piston   Bore - Actual 54.00 mm   Bore - Oversize STD   Bore - Standard 54.00 mm   Boss Space In 17.70 mm   Compression Height 20.50 mm   Country of Origin Japan   OEM Reference No 1C3-11631-01-A0   Piston Head Type Flatened Dome   Piston Pin Hole Diameter 15.00 mm   Piston Size 53.98 mm   Skirt Coating Mos2 Skirt Coating   Total Height 58.50 mm   ","brand":"PROX","offers":[{"title":"Default Title","offer_id":54186804609370,"sku":"01.2225.D","price":141.01,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/6831\/5738\/files\/pim_757bcaf2-6b63-408f-9068-937366f688b3_1000-1000.jpg?v=1779449630","url":"https:\/\/grafiteoffroad.com\/products\/prox-piston-kit-yz125-05-21-yz125x-20-22-53-98mm","provider":"Grafite Offroad","version":"1.0","type":"link"}