{"product_id":"kb-performance-ds-751207-kb263-050-hypereutectic-piston-kit-piston-kit-fx-fl-50","title":"KB PERFORMANCE DS-751207 KB263.050 Hypereutectic Piston Kit Piston Kit - FX\/FL","description":"\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eManufactured from high-strength, T-5, heat-treated, 390 hypereutectic aluminum alloy\u003c\/li\u003e\n\u003cli\u003eAllow a tighter fit and longer piston and ring life\u003c\/li\u003e\n\u003cli\u003eDiamond-machined pistons are held to plus or minus one gram weight and less than one-half-thousandth-inch (.0005\") tolerances from piston to piston\u003c\/li\u003e\n\u003cli\u003eEach kit contains two pistons, pins, spiral-lock pin clips and Hastings moly rings\u003c\/li\u003e\n\u003cli\u003eReplacement piston rings and pin lock rings available separately\u003c\/li\u003e\n\u003cli\u003eKB pistons can be installed tighter than other pistons. This results in less piston rock and better ring seal. Please read instructions included with piston for correct piston clearance.\u003c\/li\u003e\n\u003cli\u003eDue to the thermal conductivity and design of KB pistons, special attention is required to the top ring end gap. Please read instructions furnished with piston for correct ring installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cbr\u003e\n\u003ch2\u003eSpecs\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eRiding Style\u003c\/td\u003e\n\u003ctd\u003eStreet\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Material\u003c\/td\u003e\n\u003ctd\u003eHypereutectic Alloy\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Name\u003c\/td\u003e\n\u003ctd\u003ePiston Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Size\u003c\/td\u003e\n\u003ctd\u003e3.437\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompression Ratio\u003c\/td\u003e\n\u003ctd\u003e9.0:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUnits\u003c\/td\u003e\n\u003ctd\u003eKit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Oversize\u003c\/td\u003e\n\u003ctd\u003e+0.050\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\u003cbr\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e1941-1979\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eFL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1941-1947\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eKnucklehead FL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1949-1957\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eHydra Glide FL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1953-1964\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eFLF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1955-1964,1970-1972\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eFLHF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1955-1957\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eHydra-Glide FLH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1958-1964\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eDuo Glide FL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1958-1964\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eDuo-Glide FLH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1965-1969,1978-1979\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003e1200 Electra Glide FLH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1965-1979\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eElectra Glide FL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1965-1969\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eFLFB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1965-1969\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eFLHB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1965-1969\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eFLHFB\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1970-1979\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eElectra Glide FLH\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1971-1978\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eSuper Glide FX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1973-1979\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eSuper Glide FXE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1977-1979\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eLow Rider FXS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003e1200 Fat Bob FXEF\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003e1200 Low Rider FXS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003e1200 Super Glide FX\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003e1200 Super Glide FXE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eElectra Glide Classic FLHC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eElectra Glide Sport FLHS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e1979\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eSuper Glide 80 FXE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\u003c\/table\u003e\u003cbr\u003e\u003ch3\u003eFitment Disclosure\u003c\/h3\u003e\u003csmall\u003eThis quick reference fitment information is provided to direct you to our catalog information and the manufacturer's information. Consult manufacturer publication(s) and\/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.\u003c\/small\u003e","brand":"KB PERFORMANCE","offers":[{"title":"Default Title","offer_id":43963576811629,"sku":"DS-751207","price":239.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3879\/4861\/files\/64BD797A-1D64-4146-980B-744ECFD68746.jpg?v=1770527568","url":"https:\/\/blacklabelperf.com\/products\/kb-performance-ds-751207-kb263-050-hypereutectic-piston-kit-piston-kit-fx-fl-50","provider":"Black Label Performance","version":"1.0","type":"link"}