{"product_id":"s-s-cycle-910-0690-s-s-cycle-86-21-sportster-models-high-compression-1250cc-conversion-kit-silver","title":"S\u0026S Cycle 910-0690 S\u0026S Cycle 86-21 Sportster Models High Compression 1250cc Conversion Kit - Silver","description":"\u003cp\u003eThis kit converts 1986-'21 883cc and 1200cc HD Sportster models to 1250cc displacement. No machining or rebalancing is required. Kit contains forged 5cc pop-up 3-9\/16\" bore pistons with coated piston skirts, S\u0026amp;S 3-9\/16\" bore cylinders, MLS head gaskets, base gaskets, exhaust gaskets, assembly lube, and instructions. 883 cylinder heads may not be used with this kit. For the best performance CNC head porting, performance cams, exhaust and intake upgrades are recommended.\u003cbr\u003e\n*This kit is not compatible with XR1200 models*\u003c\/p\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\u003ctable border=\"1\" cellpadding=\"4\" style=\"border-collapse:collapse;width:100%;font-size:0.9em\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth\u003eYear(s)\u003c\/th\u003e\n\u003cth\u003eMake\u003c\/th\u003e\n\u003cth\u003eModel Code\u003c\/th\u003e\n\u003cth\u003eModel\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e1986-2018\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003e—\u003c\/td\u003e\n\u003ctd\u003exl\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":49894575997168,"sku":"ssc910-0690","price":1077.95,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0702\/6098\/2000\/files\/339f61cdbe613f6fc70d73c4d5fffa6fL__46225.1777695201.386.513.jpg?v=1782608237","url":"https:\/\/www.brlspeedshop.com\/products\/s-s-cycle-910-0690-s-s-cycle-86-21-sportster-models-high-compression-1250cc-conversion-kit-silver","provider":"BRL Speed Shop","version":"1.0","type":"link"}