{"product_id":"forged-040-10-5-1-compression-piston-kit-wiseco-k1689-evolution-sportster-1988","title":"Forged.040 10.5:1 Compression Piston Kit - Wiseco K1689 - Evolution Sportster 1988+","description":"\u003cp\u003e\u003cstrong\u003eWiseco #:\u003c\/strong\u003e K1689\u003c\/p\u003e\n\u003cp\u003eWiseco piston set is.040 oversize and has a compression of 10.5:1. Set includes Hasting X rings.\u003c\/p\u003e\n\u003cp\u003e**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\u003e1988-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":67549444374686,"sku":"11-9917","price":309.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1692\/2127\/files\/11-9917.jpg?v=1791653125","url":"https:\/\/chopcult.com\/products\/forged-040-10-5-1-compression-piston-kit-wiseco-k1689-evolution-sportster-1988","provider":"ChopCult","version":"1.0","type":"link"}