{"product_id":"keith-black-272-std-883cc-conversion-piston-set-for-harley-davidson-xl-1986-1995","title":"Keith Black 272 STD 883cc Conversion Piston Set for Harley XL 1986-1995","description":"\u003cdiv\u003e\n\u003ch1\u003eKeith Black 272 STD 883cc Conversion Piston Set for Harley XL 1986-1995\u003c\/h1\u003e\n\u003cp\u003eUpgrade your Harley Davidson XL engine with the Keith Black 272.STD 883cc Conversion Piston Set, designed for 1986–1995 XL Evolution models. These standard-size pistons fit a 3.498-inch bore and are configured for a 10.0:1 compression ratio. Crafted from hypereutectic alloy and cast in a permanent steel mold, they deliver precise fit and durable performance.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLow heat transfer alloy keeps piston skirts cooler to reduce expansion and wear\u003c\/li\u003e\n\u003cli\u003eHigh ring placement reduces detonation and stabilizes the top ring temperature for engine stability\u003c\/li\u003e\n\u003cli\u003eIncludes ring compressor kit, connecting rod clamping tools, and a piston ring grinder\u003c\/li\u003e\n\u003cli\u003eDesigned for easy installation during rebuilds or upgrades\u003c\/li\u003e\n\u003cli\u003eMade in Mexico\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFitment: Harley Davidson XL 1986–2026. Part number KB272.STD.\u003c\/p\u003e\n\u003cp\u003eNote: Proper break-in procedures are essential; run the engine at moderate speeds for at least 500 miles to ensure optimal piston and ring seating.\u003c\/p\u003eKeith Black dish piston set is standard size with a 10.0:1 compression ratio for 1986-up XL Evolution models.\n\u003cp\u003eUpgrade your Harley Davidson XL engine with the Keith Black 272.STD 883cc Conversion Piston Set, designed for models from 1986 to 1995. Crafted with high-performance hypereutectic alloy, these pistons are cast in a permanent steel mold to ensure strength, durability, and precise fitment. The standard size pistons are compatible with a 3.498-inch bore and feature a 9:1 compression ratio, optimized for reliable power delivery and fuel efficiency. The low heat transfer alloy helps keep the piston skirts cool, minimizing expansion and enhancing longevity. This results in improved combustion efficiency, increased power output, and better fuel economy, especially suited for riders seeking performance upgrades. The pistons incorporate high ring placement, which reduces detonation and raises the top ring temperature, further contributing to engine stability and performance. Designed for easy installation, these pistons are ideal for rebuilding or upgrading your existing engine. Note that 2009-UP XL 883 cylinders cannot be overbored to 1200cc, and separate 1200cc cylinders are required for that conversion. Proper break-in procedures are essential; run the engine at moderate speeds for at least 500 miles, avoiding excessive low gear operation to ensure optimal piston and ring seating. For detailed installation instructions, refer to the Keith Black Conversion Piston Guide available online. This set includes essential accessory items such as a ring compressor kit, connecting rod clamping tools, and a piston ring grinder, facilitating a smooth installation process. Made in Mexico, this piston set is a reliable choice for performance-focused Harley Davidson enthusiasts looking to enhance their engine’s reliability and power.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eHypereutectic alloy: Cast in a permanent steel mold for durability and precise fit\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eStandard size: Fits 3.498-inch bore with a 9:1 compression ratio\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eLow heat transfer alloy: Keeps piston skirts cool to reduce expansion and wear\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eHigh ring placement: Reduces detonation and increases top ring temperature for stability\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIncludes accessory items: Ring compressor kit, connecting rod clamping tools, piston ring grinder\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson XL 1986\u003cbr\u003e\nHarley Davidson XL 1987\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\u003c\/div\u003e","brand":"Keith Black","offers":[{"title":"Default Title","offer_id":44653144670250,"sku":"11-2228","price":213.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-2228.jpg?v=1785887106","url":"https:\/\/atticusgoods.com\/products\/keith-black-272-std-883cc-conversion-piston-set-for-harley-davidson-xl-1986-1995","provider":"Atticus Goods","version":"1.0","type":"link"}