{"product_id":"je-pistons-0910-6858-394140-ultra-series-piston-kit-piston-kit-4-320-m8-38","title":"JE Pistons Ultra Series Piston Kit 4.320\" 10.25:1 CR 114\"\/117\" M8 - 394140 For Harley Motorcycles 2018-2026","description":"\n\u003ch2\u003eFeatures\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003ePropriety aligned grain flow forging technology for maximum tensile strength suited for high performance enviroment\u003c\/li\u003e\n\u003cli\u003eCermic crown coating protects the piston by reducing heat transfer\u003c\/li\u003e\n\u003cli\u003eInternal and external bracing maintains optimized strength-to-weight ratio for longevity\u003c\/li\u003e\n\u003cli\u003e3D undercrown milling in non-critical areas reduces overall weight\u003c\/li\u003e\n\u003cli\u003eLateral gas ports and accumulator groove maintain power-producing ring seal even at high RPM and high boost\u003c\/li\u003e\n\u003cli\u003eSkirt coating reduces operating friction and wear throughout the life of piston\u003c\/li\u003e\n\u003cli\u003eOffset pin reduces piston rock and minimize engine operating noise\u003c\/li\u003e\n\u003cli\u003eSkirt notches for optimal clearance at the bottom dead center\u003c\/li\u003e\n\u003cli\u003eKit includes two pistons, premium ring pack, wrist pins and wire locks\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\u003eBore Size\u003c\/td\u003e\n\u003ctd\u003e4.320\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Head Shape\u003c\/td\u003e\n\u003ctd\u003eDished\u003c\/td\u003e\n\u003c\/tr\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\u003eCompression Ratio\u003c\/td\u003e\n\u003ctd\u003e10.25:1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore - Oversize\u003c\/td\u003e\n\u003ctd\u003e+0,070\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBore Oversize\u003c\/td\u003e\n\u003ctd\u003e+0.070\"\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStroke Length\u003c\/td\u003e\n\u003ctd\u003e4.500\"\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003eUltra Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePiston Material\u003c\/td\u003e\n\u003ctd\u003eForged 2618 Aluminum\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\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cbr\u003e\n\u003ch2\u003ePart Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eKit Includes:\u003c\/li\u003e\n\u003cli\u003e• 2x Ultra Series Pistons\u003c\/li\u003e\n\u003cli\u003e• 2x Wrist Pins\u003c\/li\u003e\n\u003cli\u003e• 2x Ring Sets\u003c\/li\u003e\n\u003cli\u003e• 2x Wire Locks\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003ctable\u003e\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2021\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eCVO Electra Glide Ultra Limited FLHTKSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2022\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eCVO Road Glide FLTRXSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2018-2022\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eCVO Street Glide FLHXSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2020-2022\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eCVO Tri Glide FLHTCUTGSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022-2023\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eCVO Road Glide Limited FLTRKSE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022-2023\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eRoad Glide ST FLTRXST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eSoftail Low Rider El Diablo FXRST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2022-2023\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eStreet Glide ST FLHXST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023-2024\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eSoftail Breakout FXBR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023-2024\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eSoftail Low Rider S FXLRS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2023-2024\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eSoftail Low Rider ST FXLRST\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2024-2026\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eRoad Glide FLTRX\/FLTRXS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e2024-2026\u003c\/td\u003e\n\u003ctd\u003eHarley-Davidson\u003c\/td\u003e\n\u003ctd\u003eStreet Glide FLHX\/FLHXS\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":"JE PISTONS","offers":[{"title":"Default Title","offer_id":43794458640493,"sku":"0910-6858","price":729.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/3879\/4861\/files\/C7D5DC95-06A4-41F5-BC0F-F31B98A20228.jpg?v=1765930586","url":"https:\/\/blacklabelperf.com\/products\/je-pistons-0910-6858-394140-ultra-series-piston-kit-piston-kit-4-320-m8-38","provider":"Black Label Performance","version":"1.0","type":"link"}