{"product_id":"s-s-high-compression-11-1-piston-kit","title":"S\u0026S, High-Compression 11:1 piston kit","description":"Note: Special Order Product only. To order please contact your MCS sales representative. These high compression pistons feature a 7cc raised dome to achieve a compression ratio of 11:1 (from 9.5:1). Higher compression is a key factor in increasing performance.\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e Royal Enfield: 650 Twin models\u003c\/p\u003e","brand":"S\u0026S","offers":[{"title":"Default Title","offer_id":54307728458055,"sku":"939106","price":646.06,"currency_code":"EUR","in_stock":false}],"url":"https:\/\/www.chopperessentials.com\/products\/s-s-high-compression-11-1-piston-kit","provider":"Chopper Essentials Co.","version":"1.0","type":"link"}