{"product_id":"s-s-cycle-2017-m8-131in-4-5-8in-stroke-hot-set-up-kit-black-granite-w-highlight","title":"S\u0026S Cycle 2017+ M8 131in 4-5\/8in Stroke Hot Set Up Kit - Black Granite w\/ Highlight","description":"The S\u0026amp;S Cycle 131\" kit for 2017 and up M8 is the perfect sleeper package. Boost your engine displacement to get some big numbers at the rear wheel, without advertising it. The kit bolts in with no machine work required and keeps your bike looking stock for the \"sleeper\" approach. Our 131\" kit includes all the necessary gaskets for the installation and if you want to tell everyone what you have, a new 131\" badge is included for your cam cover.\n\u003cul\u003e\n  \u003cli\u003eHuge displacement increase means huge power increase\u003c\/li\u003e\n  \u003cli\u003eOriginal engine serial numbers are retained\u003c\/li\u003e\n  \u003cli\u003ePowder coat finish matches factory finishes\u003c\/li\u003e\n  \u003cli\u003eIncludes 131\" Cam Cover Badge\u003c\/li\u003e\n  \u003cli\u003eWorks with stock crankcases\u003c\/li\u003e\n  \u003cli\u003eRetains stock engine height\u003c\/li\u003e\n  \u003cli\u003e4.250\" bore, 4.625\" stroke\u003c\/li\u003e\n  \u003cli\u003e11.0:1 compression ratio\u003c\/li\u003e\n  \u003cli\u003eWith headlight\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eIncrease the performance potential of your 2017 and newer Harley-Davidson Milwaukee-Eight engine with the S\u0026amp;S Cycle 131ci Hot Set Up Kit, Part SSC320-0623. Designed as a discreet sleeper package, this kit delivers a substantial displacement increase while preserving the motorcycle’s original appearance. The components install with stock crankcases, retain the factory engine height, and preserve the original engine serial numbers for a clean, factory-like result.\u003cbr\u003eThe kit includes the essential gaskets required for installation, along with a 131ci cam cover badge for owners who want to showcase the upgraded engine. Its Black Granite powder coat finish is designed to complement factory finishes, helping the larger-displacement engine blend naturally into the motorcycle. The installation requires no machine work, making this package a practical choice for building strong rear-wheel power without extensive case modifications.\u003cbr\u003eThe S\u0026amp;S Cycle SSC320-0623 kit features a 4.250-inch bore, 4.625-inch stroke, and an 11.0:1 compression ratio. It is engineered for use with 2017 and newer M8 applications and is intended for powersports use. Professional installation and appropriate tuning are recommended to help ensure reliable operation and to optimize the performance of the upgraded engine. This product is not CARB approved; review applicable emissions requirements before installation and use.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eApplication: Designed for 2017 and newer Harley-Davidson Milwaukee-Eight engines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDisplacement: Increases engine displacement to 131 cubic inches for substantial power potential\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eInstallation: Bolts in with no machine work required\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatibility: Works with stock crankcases and retains stock engine height\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEngine Identification: Retains the original engine serial numbers\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eFinish: Black Granite powder coat designed to complement factory finishes\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncluded: Installation gaskets and 131ci cam cover badge\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSpecifications: 4.250-inch bore, 4.625-inch stroke, and 11.0:1 compression ratio\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEmissions: Not CARB approved; verify applicable regulations before installation\u003c\/li\u003e\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":67603468648764,"sku":"ssc320-0623","price":2695.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1865\/9007\/files\/924325ca9580f1c59167b732ef16798aL.jpg?v=1790751734","url":"https:\/\/necycleshop.com\/products\/s-s-cycle-2017-m8-131in-4-5-8in-stroke-hot-set-up-kit-black-granite-w-highlight","provider":"NE Cycle Shop","version":"1.0","type":"link"}