{"product_id":"keith-black-80-inch-evolution-domed-piston-kit-020-for-harley-davidson-fxr-part-kb266-020","title":"Keith Black 80 Inch Evolution Domed Piston Kit.020 For Harley FXR","description":"\u003cdiv\u003e\n\u003ch1\u003eKeith Black 80 Inch Evolution Domed Piston Kit.020 For Harley FXR\u003c\/h1\u003e\n\u003cp\u003eKeith Black dome piston set is.020 oversize with a 10.5:1 compression ratio for 1984-up Big Twin Evolution models. The Keith Black 390 hypereutectic alloy piston kit offers a combination of lightweight design and durable performance, ideal for Harley Davidson FXR models from 1984 to 1993. Cast in a permanent steel mold, this piston is crafted to enhance engine power, improve fuel efficiency, and extend piston lifespan. Its.020 oversize diameter suits a 3.498-inch bore, making it a precise fit for engine rebuilds and performance upgrades. The low heat transfer characteristics of the alloy help keep the piston skirts cool, minimizing expansion during operation and ensuring reliable performance under high loads. The high compression ring placement further boosts power output while reducing the risk of detonation, contributing to a smoother, more efficient engine operation.\u003c\/p\u003e \u003cul\u003e \u003cli\u003eHypereutectic alloy: Keith Black 390 for durability and lightweight performance.\u003c\/li\u003e \u003cli\u003eOversize:.020 inch for a 3.498-inch bore.\u003c\/li\u003e \u003cli\u003eCompression ratio: 10.5:1.\u003c\/li\u003e \u003cli\u003eEngine compatibility: Harley Davidson FXR models from 1984 to 1993.\u003c\/li\u003e \u003cli\u003eIncludes: Piston kit with necessary installation components.\u003c\/li\u003e\n\u003c\/ul\u003eKeith Black dome piston set is.020 oversize with a 10.5:1 compression ratio for 1984-up Big Twin Evolution models.\n\u003cp\u003eThe Keith Black 390 hypereutectic alloy piston kit offers a combination of lightweight design and durable performance, ideal for Harley Davidson FXR models from 1984 to 1993. Cast in a permanent steel mold, this piston is crafted to enhance engine power, improve fuel efficiency, and extend piston lifespan. Its.020 oversize diameter suits a 3.498-inch bore, making it a precise fit for engine rebuilds and performance upgrades. The low heat transfer characteristics of the alloy help keep the piston skirts cool, minimizing expansion during operation and ensuring reliable performance under high loads. The high compression ring placement further boosts power output while reducing the risk of detonation, contributing to a smoother, more efficient engine operation.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul\u003e\u003cli\u003eHypereutectic alloy: Cast for durability and lightweight performance.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eOversized:.020 inch for precise fit on a 3.498 inch bore.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eLow heat transfer: Keeps piston skirts cooler for longevity and consistent performance.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eHigh compression ring placement: Enhances power and reduces detonation risk.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eEngine Compatibility: Fits Harley Davidson FXR models from 1984 to 1993.\u003c\/li\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003cli\u003eIncludes: Piston kit with necessary components for installation.\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":44653145784362,"sku":"11-2225","price":213.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0692\/2285\/8794\/files\/11-2225.jpg?v=1785887299","url":"https:\/\/atticusgoods.com\/products\/keith-black-80-inch-evolution-domed-piston-kit-020-for-harley-davidson-fxr-part-kb266-020","provider":"Atticus Goods","version":"1.0","type":"link"}