{"product_id":"prox-piston-kit-gb500-87-97-xbr500-85-89-nx500-9-5-1-92-50mm","title":"Prox Piston Kit Gb500 `87-97\/xbr500 `85-89\/nx500 9.5:1 (92.50mm","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     Bore - Actual 92.50 mm   Bore - Standard 92.00 mm   Boss Space In 25.60 mm   Compression Height 20.90 mm   Country of Origin USA   OEM Reference No 13101-MK4-604   Piston Head Type Flat   Piston Pin Hole Diameter 24.00 mm   Skirt Coating -   Total Height 57.20 mm   ","brand":"PROX","offers":[{"title":"Default Title","offer_id":54187640029530,"sku":"01.1589.050","price":227.14,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1015\/6831\/5738\/files\/pim_4a9f609d-8691-43ba-b58f-6486a10d7abf_1000-1000.jpg?v=1779460834","url":"https:\/\/grafiteoffroad.com\/products\/prox-piston-kit-gb500-87-97-xbr500-85-89-nx500-9-5-1-92-50mm","provider":"Grafite Offroad","version":"1.0","type":"link"}