{"product_id":"wiseco-k1689-forged-040-10-5-1-compression-piston-kit","title":"Wiseco K1689 Forged .040 10.5:1 Compression Piston Kit","description":"Wiseco piston set is .040 oversize and has a compression of 10.5:1. Set includes Hasting X rings.\n\u003cp\u003eThe Wiseco K1689 Forged .040 10.5:1 Compression Piston Kit is designed for 1988–1997 Harley-Davidson XL applications listed in the product data. This kit features a forged piston design and a 10.5:1 compression ratio, providing a replacement option for compatible engine builds.\u003c\/p\u003e\u003cp\u003eProper break-in is important when installing new pistons and rings. Run the engine at moderate speeds for at least 500 miles while avoiding excessive operation in lower gears to help properly break in the new pistons and rings. Refer to the Wiseco Piston Installation Guide and Fitment instructions for installation information.\u003c\/p\u003e\u003cp\u003eThis product is supplied as a kit and has a country of origin of the USA. Suggested and accessory items include a 3-1\/2-inch Evolution piston ring in .040 oversize, a Ring-O-Matic ring compressor tool kit, a connecting rod clamping tool, item 60-0167, and a forged .030 10.5:1 compression piston kit.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBrand: Wiseco\u003c\/li\u003e\n\u003cli\u003ePart Number: K1689\u003c\/li\u003e\n\u003cli\u003eDesign: Forged piston kit\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 10.5:1\u003c\/li\u003e\n\u003cli\u003eOversize: .040\u003c\/li\u003e\n\u003cli\u003eApplication: Fits 1988–1997 Harley-Davidson XL models listed in the product data\u003c\/li\u003e\n\u003cli\u003eUnit of Measure: Kit\u003c\/li\u003e\n\u003cli\u003eCountry of Origin: USA\u003c\/li\u003e\n\u003cli\u003eBreak-In Requirement: Run the engine at moderate speeds for at least 500 miles while avoiding excessive running in lower gears\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson XL  1988\u003cbr\u003e\nHarley Davidson XL  1989\u003cbr\u003e\nHarley Davidson XL  1990\u003cbr\u003e\nHarley Davidson XL  1991\u003cbr\u003e\nHarley Davidson XL  1992\u003cbr\u003e\nHarley Davidson XL  1993\u003cbr\u003e\nHarley Davidson XL  1994\u003cbr\u003e\nHarley Davidson XL  1995\u003cbr\u003e\nHarley Davidson XL  1996\u003cbr\u003e\nHarley Davidson XL  1997\u003cbr\u003e\nHarley Davidson XL  1998\u003cbr\u003e\nHarley Davidson XL  1999\u003cbr\u003e\nHarley Davidson XL  2000\u003cbr\u003e\nHarley Davidson XL  2001\u003cbr\u003e\nHarley Davidson XL  2002\u003cbr\u003e\nHarley Davidson XL  2003\u003cbr\u003e\nHarley Davidson XL  2004\u003cbr\u003e\nHarley Davidson XL  2005\u003cbr\u003e\nHarley Davidson XL  2006\u003cbr\u003e\nHarley Davidson XL  2007\u003cbr\u003e\nHarley Davidson XL  2008\u003cbr\u003e\nHarley Davidson XL  2009\u003cbr\u003e\nHarley Davidson XL  2010\u003cbr\u003e\nHarley Davidson XL  2011\u003cbr\u003e\nHarley Davidson XL  2012\u003cbr\u003e\nHarley Davidson XL  2013\u003cbr\u003e\nHarley Davidson XL  2014\u003cbr\u003e\nHarley Davidson XL  2015\u003cbr\u003e\nHarley Davidson XL  2016\u003cbr\u003e\nHarley Davidson XL  2017\u003cbr\u003e\nHarley Davidson XL  2018\u003cbr\u003e\nHarley Davidson XL  2019\u003cbr\u003e\nHarley Davidson XL  2020\u003cbr\u003e\nHarley Davidson XL  2021\u003cbr\u003e\nHarley Davidson XL  2022\u003cbr\u003e\nHarley Davidson XL  2023\u003cbr\u003e\nHarley Davidson XL  2024\u003cbr\u003e\nHarley Davidson XL  2025\u003cbr\u003e\nHarley Davidson XL  2026","brand":"Wiseco","offers":[{"title":"Default Title","offer_id":44584731181143,"sku":"11-9917","price":635.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0556\/2276\/2583\/files\/11-9917.jpg?v=1793297715","url":"https:\/\/valleyspeed.net\/en-us\/products\/wiseco-k1689-forged-040-10-5-1-compression-piston-kit","provider":"The Speed Shop Canada","version":"1.0","type":"link"}