{"product_id":"moose-racing-mse22584b-cast-aluminum-piston-kit-standard-bore-66-35mm","title":"Moose Racing MSE22584B Cast Aluminum Piston Kit - Standard Bore 66.35mm","description":"Bore: 66.35mm\u003cbr\u003e Sizing: Standard Bore\u003cbr\u003e\u003cbr\u003eGravity cast aluminum alloy with 18% silicon to increase resistance to wear and decrease thermal distortion, thus providing a longer piston life. Coated skirts ease break-in, decreasing wear, and aiding in lubrication. Wear resistant piston rings that are either nitride or chrome plated. Wrist pins are nitride coated providing a hardened wear resistant bearing surface. Piston rings are compatible with OEM pistons. Replacement rings are sold individually. Piston kits include piston, rings, wrist pin, and circlips.\u003cbr\u003e\u003cbr\u003eVehicle Fitment:\u003cbr\u003e\u003cbr\u003e1999-2023 Yamaha YZ250\u003cbr\u003e 2016-2023 Yamaha YZ250X","brand":"Moose Racing","offers":[{"title":"Default Title","offer_id":44186142572666,"sku":"4843345","price":169.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0004\/3312\/7455\/files\/6d65aa01534e4db16984c319e220b767_836957e5-db8c-4916-9cce-74c15c12ec4a.jpg?v=1785941271","url":"https:\/\/www.powersportsuperstore.com\/products\/moose-racing-mse22584b-cast-aluminum-piston-kit-standard-bore-66-35mm","provider":"Powersport Superstore","version":"1.0","type":"link"}