{"product_id":"athena-s4c05400016a-cast-lite-piston-kit-a-standard-bore-53-94mm","title":"Athena S4C05400016A Cast Lite Piston Kit (A) - Standard Bore 53.94mm","description":"Bore: 53.94mm\u003cbr\u003e Sizing: Standard Bore\u003cbr\u003e\u003cbr\u003eCast Piston.\u003cbr\u003e \u003cbr\u003e 2-stroke pistons are made from 4032 silicium. Both include 3% copper in materials for better heat resistance. All pistons are forged using a precision heat-treatment process that allows for production tolerances of just .005mm. Forged piston kits are available in A, B and C sizing. Forged piston tooling allows for the lightest available product. Kits include antiwear coated piston, rings, pin and circlip. Made in Germany. Cast-lite flat-top piston.\u003cbr\u003e\u003cbr\u003eVehicle Fitment:\u003cbr\u003e\u003cbr\u003e1997-2021 Yamaha YZ125\u003cbr\u003e 2020-2022 Yamaha YZ125X","brand":"Athena","offers":[{"title":"Default Title","offer_id":44001924513914,"sku":"4142655","price":187.41,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0004\/3312\/7455\/files\/b15a8ee45c7d3a9245bb337c44038407_b97767c1-d8ea-4191-9954-eb9a676a5e3f.jpg?v=1764746350","url":"https:\/\/www.powersportsuperstore.com\/products\/athena-s4c05400016a-cast-lite-piston-kit-a-standard-bore-53-94mm","provider":"Powersport Superstore","version":"1.0","type":"link"}