{"product_id":"883cc-forged-conversion-piston-kit-020-oversize-wiseco-k1657-evolution-sportster-1986","title":"883cc Forged Conversion Piston Kit.020 Oversize - Wiseco K1657 - Evolution Sportster 1986+","description":"\u003cp\u003e\u003cstrong\u003eWiseco #:\u003c\/strong\u003e K1657\u003c\/p\u003e\n\u003cp\u003eWiseco piston set includes Hasting X rings 2 wrist pins and 4 circlips.\u003c\/p\u003e\n\u003cp\u003ePiston set is.020 over sized and has a 9.5:1 compression. For a 3-1\/2 inch bore. Pistons are forged from a high silicone alloy. 2009-UP XL 883 cylinders cannot be overboard to 1200cc. 2009-UP applications will require separate purchase of 1200cc cylinders to be used with piston kit. **Note: Run engine at moderate speeds for at least 500 miles avoiding excessive running in lower gears in order to properly break-in new pistons and rings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\u003ctable\u003e\u003ctbody\u003e\u003ctr\u003e\n\u003ctd\u003e1986-UP\u003c\/td\u003e\n\u003ctd\u003eXL\u003c\/td\u003e\n\u003c\/tr\u003e\u003c\/tbody\u003e\u003c\/table\u003e\n\u003cp\u003e\u003ca href=\"http:\/\/www.vtwinmfg.com\/Instructions\/MS\/Wiseco%20Piston%20Inst.%20Guide%20and%20Fitment.pdf\" target=\"_blank\" rel=\"noopener\"\u003eInstallation instructions (PDF)\u003c\/a\u003e\u003c\/p\u003e","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":67549443850398,"sku":"11-9887","price":449.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1692\/2127\/files\/11-9887.jpg?v=1791653093","url":"https:\/\/chopcult.com\/products\/883cc-forged-conversion-piston-kit-020-oversize-wiseco-k1657-evolution-sportster-1986","provider":"ChopCult","version":"1.0","type":"link"}