{"product_id":"s-s-cycle-2007-bt-big-bore-kit-with-4-25-inch-bore-for-milwaukee-eight-engines-wrinkle-black-finish","title":"S\u0026S Cycle 2007+ BT Big Bore Kit with 4.25-inch Bore for Milwaukee Eight Engines - Wrinkle Black Finish","description":"S\u0026amp;S has been building big bore kits since the 60s and has it down to an absolute science. Our latest efforts are aimed at the Milwaukee Eight® platform (2017 and newer big twins) and open up a whole new level of performance for these engines. Combining a new design forged piston with their 4.25\" cylinders to net a tire melting 131 cubic inches when paired with their 4.625\" stroker crank. We build our big bore kits and cranks to much tighter tolerarances and with higher quality materials than the factory parts. This new piston\/cylinder kit will be a solid platform for massive power.\n\u003cul\u003e\n  \u003cli\u003eMust be used with our stroker flywheels to achieve 131\" displacement (part #s 320-0605, 320-0620)\u003c\/li\u003e\n  \u003cli\u003ePowder coat finish match factory finish, giving the bike a \"sleeper\" advantage\u003c\/li\u003e\n  \u003cli\u003eHuge displacement increase means huge power increase\u003c\/li\u003e\n  \u003cli\u003e.030\" MLS (multi-layered steel) head gaskets\u003c\/li\u003e\n  \u003cli\u003eOriginal engine serial numbers are retained\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\u003c\/ul\u003e\n\u003cp\u003eUpgrade your Harley Davidson Milwaukee Eight® engine with the S\u0026amp;S Cycle part number 910-0763 big bore kit, designed for models from 2017 and newer. This high-performance kit features a forged piston and precision-machined 4.25-inch cylinders, enabling a total displacement of 131 cubic inches when paired with S\u0026amp;S's 4.625-inch stroker crank (sold separately). Built with tighter tolerances and superior materials, this kit ensures durability and maximum power output. The powder-coated finish matches the factory look, providing a sleek \"sleeper\" appearance that doesn't compromise style for performance. This kit includes a 131-inch cam cover badge and allows retention of original engine serial numbers, maintaining the authenticity of your motorcycle. It works seamlessly with stock crankcases and maintains stock engine height, making installation straightforward and ensuring compatibility with your existing setup. The huge increase in displacement translates directly to substantial power gains, making it ideal for riders seeking significant performance improvements. Please note that this kit is not carburetor approved, and carb acknowledgment is required during installation. Designed for powersports applications, this kit is not suitable for air freight and must be used in conjunction with specific stroker flywheels (part numbers 320-0605, 320-0620). Enhance your Harley Davidson's performance with this premium big bore kit from S\u0026amp;S Cycle, built to deliver reliable, massive power for the serious enthusiast.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eMust be used with S\u0026amp;S stroker flywheels to achieve 131\" displacement\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003ePowder coat finish matches factory appearance for a \"sleeper\" look\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eSignificant displacement increase yields substantial power gains\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003e.030\" MLS (multi-layered steel) head gaskets for durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRetains original engine serial numbers\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes 131\" cam cover badge for aesthetics\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with stock crankcases for easy installation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMaintains stock engine height for seamless integration\u003c\/li\u003e\u003c\/ul\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":47974869172482,"sku":"619443","price":1559.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0818\/3401\/7026\/files\/7f6e26bcf37d57300c5201229c6fee87.jpg?v=1781111429","url":"https:\/\/teamkustom.shop\/products\/s-s-cycle-2007-bt-big-bore-kit-with-4-25-inch-bore-for-milwaukee-eight-engines-wrinkle-black-finish","provider":"Teamkustom","version":"1.0","type":"link"}