{"product_id":"wiseco-forged-040-10-5-1-compression-piston-kit-for-harley-davidson-xl-part-k1689","title":"Wiseco Forged .040 10.5:1 Compression Piston Kit for Harley Davidson XL - Part K1689","description":"Wiseco piston set is .040 oversize and has a compression of 10.5:1. Set includes Hasting X rings.\n\u003cp\u003eUpgrade your Harley Davidson XL engine with the Wiseco Forged .040 inch oversized piston kit, designed for optimal performance and durability. Crafted in the USA, this kit includes high-quality forged pistons with a 10.5:1 compression ratio, providing increased power and efficiency for models from 1988 through 1997. The precision engineering ensures a proper fit and reliable operation, making it a preferred choice for motorcycle enthusiasts and professional mechanics alike. \u003cbr\u003e Proper break-in is essential for new pistons and rings; Wiseco recommends running the engine at moderate speeds for at least 500 miles, avoiding excessive running in lower gears. For detailed installation instructions, refer to the provided guide: \u003ca href=\"http:\/\/www.vtwinmfg.com\/Instructions\/MS\/Wiseco%20Piston%20Inst.%20Guide%20and%20Fitment.pdf\"\u003ePiston Installation Guide\u003c\/a\u003e. This kit is compatible with Harley Davidson XL models from 1988 to 1997, ensuring a perfect fit for your vintage or custom motorcycle. \u003cbr\u003e The set comes with all necessary components for a seamless installation, including forged pistons, rings, and accessories. For optimal results, consider pairing this kit with the recommended piston rings and installation tools, such as the Wiseco 3-1\/2 inch Evolution Piston Ring .040 Oversize, Ring-O-Matic Ring Compressor Tool Kit, and Connecting Rod Clamping Tool. Proper installation and break-in will maximize performance and longevity of your engine. Whether you're restoring a classic Harley or upgrading your current setup, this Wiseco piston kit offers reliable performance and high-quality craftsmanship. \u003cbr\u003e Trust Wiseco's expertise and American manufacturing standards to deliver a durable, high-performance piston kit that enhances your motorcycle's power and efficiency.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eUOM: KIT\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCountry of Origin: USA\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDesigned for Harley Davidson XL models from 1988 to 1997\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eForged construction for strength and durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOversize: .040 inch for increased displacement\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompression Ratio: 10.5:1 for improved power output\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes pistons, rings, and essential accessories\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRecommended break-in procedure for optimal performance\u003c\/li\u003e\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":44656579772458,"sku":"11-9917","price":247.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-9917.jpg?v=1785992804","url":"https:\/\/atticusgoods.com\/products\/wiseco-forged-040-10-5-1-compression-piston-kit-for-harley-davidson-xl-part-k1689","provider":"Atticus Goods","version":"1.0","type":"link"}