{"product_id":"keith-black-11-2224-80-inch-evolution-domed-piston-kit-010-for-harley-davidson-fxr","title":"Keith Black 80 Inch Evolution Domed Piston Kit 010 Oversize for Harley FXR","description":"\u003cdiv\u003e\n\u003ch1\u003eKeith Black 80 Inch Evolution Domed Piston Kit.010 Oversize for Harley FXR\u003c\/h1\u003e\n\u003cp\u003eIncrease engine power and reliability on Harley‑Davidson FXR models with the Keith Black Evolution Domed Piston Kit, sized for a 3.498‑inch bore and +.010 oversize.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eHypereutectic alloy construction: cast in a permanent steel mold for consistent dimensions and durability\u003c\/li\u003e\n\u003cli\u003eOversize +.010 fit: designed for a 3.498-inch bore to maximize performance\u003c\/li\u003e\n\u003cli\u003eCompression ratio: 10.5:1 for increased power and efficient combustion\u003c\/li\u003e\n\u003cli\u003eLow heat transfer alloy: keeps piston skirts cooler, reducing expansion and wear\u003c\/li\u003e\n\u003cli\u003eHigh ring placement: enhances power, reduces detonation, and improves sealing\u003c\/li\u003e\n\u003cli\u003eDesigned for Harley Davidson FXR models: 1984 through 1993\u003c\/li\u003e\n\u003cli\u003eIncludes installation instructions: http:\/\/www.vtwinmfg.com\/Instructions\/MS\/KB Conversion Piston Guide and Fitment.pdf\u003c\/li\u003e\n\u003cli\u003ePart number: KB266.010\u003c\/li\u003e\n\u003c\/ul\u003eKeith Black dome piston set is.010 oversize with a 10.5:1 compression ratio for 1984-up Big Twin Evolution models.\n\u003cp\u003eThe Keith Black 11-2224 80 Inch Evolution Domed Piston Kit is engineered for high performance and durability in Harley Davidson FXR models from 1984 to 1993. Crafted from hypereutectic alloy, this piston is cast in a permanent steel mold, ensuring precise dimensions and a reliable fit for your engine rebuild or upgrade. Featuring a.010 oversize design to fit a 3.498-inch bore, it provides an excellent foundation for enhancing engine power and efficiency. The piston’s 10.5:1 compression ratio optimizes combustion, boosting horsepower while maintaining fuel economy. The low heat transfer properties of Keith Black’s alloy keep the piston skirts cooler, minimizing expansion and wear, which extends the lifespan of your engine components. The high ring placement in this design not only improves power output but also reduces the risk of detonation and increases the top ring temperature for better sealing and performance.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eHypereutectic alloy construction: cast in a permanent steel mold for consistent quality and durability\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eOversized.010 fit: designed for a 3.498-inch bore to maximize performance\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eHigh compression ratio: 10.5:1 for increased power and efficiency\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eLow heat transfer alloy: keeps piston skirts cooler, reducing expansion and wear\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eHigh ring placement: enhances power, reduces detonation, and improves sealing\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eDesigned for Harley Davidson FXR models: 1984 through 1993\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIncludes installation instructions: http:\/\/www.vtwinmfg.com\/Instructions\/MS\/KB Conversion Piston Guide and Fitment.pdf\u003c\/li\u003e\u003c\/ul\u003e\n\u003cbr\u003e\nFitment:\u003cbr\u003e\nHarley Davidson FLST 1986\u003cbr\u003e\nHarley Davidson FLST 1987\u003cbr\u003e\nHarley Davidson FLST 1988\u003cbr\u003e\nHarley Davidson FLST 1989\u003cbr\u003e\nHarley Davidson FLST 1990\u003cbr\u003e\nHarley Davidson FLST 1991\u003cbr\u003e\nHarley Davidson FLST 1992\u003cbr\u003e\nHarley Davidson FLST 1993\u003cbr\u003e\nHarley Davidson FLST 1994\u003cbr\u003e\nHarley Davidson FLST 1995\u003cbr\u003e\nHarley Davidson FLST 1996\u003cbr\u003e\nHarley Davidson FLST 1997\u003cbr\u003e\nHarley Davidson FLST 1998\u003cbr\u003e\nHarley Davidson FLT 1984\u003cbr\u003e\nHarley Davidson FLT 1985\u003cbr\u003e\nHarley Davidson FLT 1986\u003cbr\u003e\nHarley Davidson FLT 1987\u003cbr\u003e\nHarley Davidson FLT 1988\u003cbr\u003e\nHarley Davidson FLT 1989\u003cbr\u003e\nHarley Davidson FLT 1990\u003cbr\u003e\nHarley Davidson FLT 1991\u003cbr\u003e\nHarley Davidson FLT 1992\u003cbr\u003e\nHarley Davidson FLT 1993\u003cbr\u003e\nHarley Davidson FLT 1994\u003cbr\u003e\nHarley Davidson FLT 1995\u003cbr\u003e\nHarley Davidson FLT 1996\u003cbr\u003e\nHarley Davidson FLT 1997\u003cbr\u003e\nHarley Davidson FLT 1998\u003cbr\u003e\nHarley Davidson FXD 1991\u003cbr\u003e\nHarley Davidson FXD 1992\u003cbr\u003e\nHarley Davidson FXD 1993\u003cbr\u003e\nHarley Davidson FXD 1994\u003cbr\u003e\nHarley Davidson FXD 1995\u003cbr\u003e\nHarley Davidson FXD 1996\u003cbr\u003e\nHarley Davidson FXD 1997\u003cbr\u003e\nHarley Davidson FXD 1998\u003cbr\u003e\nHarley Davidson FXR 1984\u003cbr\u003e\nHarley Davidson FXR 1985\u003cbr\u003e\nHarley Davidson FXR 1986\u003cbr\u003e\nHarley Davidson FXR 1987\u003cbr\u003e\nHarley Davidson FXR 1988\u003cbr\u003e\nHarley Davidson FXR 1989\u003cbr\u003e\nHarley Davidson FXR 1990\u003cbr\u003e\nHarley Davidson FXR 1991\u003cbr\u003e\nHarley Davidson FXR 1992\u003cbr\u003e\nHarley Davidson FXR 1993\u003cbr\u003e\nHarley Davidson FXR 1994\u003cbr\u003e\nHarley Davidson FXST 1984\u003cbr\u003e\nHarley Davidson FXST 1985\u003cbr\u003e\nHarley Davidson FXST 1986\u003cbr\u003e\nHarley Davidson FXST 1987\u003cbr\u003e\nHarley Davidson FXST 1988\u003cbr\u003e\nHarley Davidson FXST 1989\u003cbr\u003e\nHarley Davidson FXST 1990\u003cbr\u003e\nHarley Davidson FXST 1991\u003cbr\u003e\nHarley Davidson FXST 1992\u003cbr\u003e\nHarley Davidson FXST 1993\u003cbr\u003e\nHarley Davidson FXST 1994\u003cbr\u003e\nHarley Davidson FXST 1995\u003cbr\u003e\nHarley Davidson FXST 1996\u003cbr\u003e\nHarley Davidson FXST 1997\u003cbr\u003e\nHarley Davidson FXST 1998\u003c\/div\u003e","brand":"Keith Black","offers":[{"title":"Default Title","offer_id":44653146603562,"sku":"11-2224","price":213.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-2224.jpg?v=1785887418","url":"https:\/\/atticusgoods.com\/products\/keith-black-11-2224-80-inch-evolution-domed-piston-kit-010-for-harley-davidson-fxr","provider":"Atticus Goods","version":"1.0","type":"link"}