{"product_id":"s-s-cycle-128-big-bore-kit-for-harley-davidson-milwaukee-eight","title":"S\u0026S Cycle 128\" Big Bore Kit for Harley-Davidson Milwaukee-Eight","description":"\u003cp\u003eElevate your Harley-Davidson Milwaukee-Eight engine's performance with the S\u0026amp;S Cycle 128\" Power Package. This comprehensive big bore kit is engineered to transform your 114\" or 117\" CVO engine into a formidable 128\" powerhouse, delivering a substantial increase in displacement and raw power.\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eThe S\u0026amp;S Cycle 128\" big bore kit is meticulously designed to provide a significant performance boost for your Harley-Davidson Milwaukee-Eight engine. This comprehensive performance kit converts 114\" and 117\" CVO models to a commanding 128\" displacement, ensuring a dramatic increase in horsepower and torque. Engineered for a straightforward installation, this bolt-in kit eliminates the need for complex case machining, making it an accessible upgrade for experienced mechanics and enthusiasts alike. At its core, the kit features robust forged pistons, built to withstand the demands of high-performance riding and deliver exceptional durability. With an impressive 11.1:1 compression ratio, this S\u0026amp;S Cycle engine upgrade optimizes combustion efficiency for explosive power delivery. The package includes essential components such as an S\u0026amp;S oil pump\/cam plate, Quickee pushrods with chrome covers, high-quality tappets and cuffs, an S\u0026amp;S 550 camshaft, and heavy-duty valve springs, all meticulously selected to work in harmony and maximize your engine's potential. The black finish with highlighted fins adds a custom aesthetic to your oil-cooled Milwaukee-Eight.\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eConverts 114\" and 117\" CVO Milwaukee-Eight engines to a powerful 128\" displacement, offering a substantial boost in horsepower and torque for an exhilarating ride.\u003c\/li\u003e\n\u003cli\u003eTrue bolt-in design means no case machining is required, simplifying installation and reducing labor time and costs for a hassle-free upgrade.\u003c\/li\u003e\n\u003cli\u003eEquipped with high-strength forged pistons, engineered for superior durability and reliability under extreme performance conditions.\u003c\/li\u003e\n\u003cli\u003eIncludes a comprehensive S\u0026amp;S performance package: an S\u0026amp;S oil pump\/cam plate, Quickee pushrods with stylish chrome covers, premium tappets, tappet cuffs, an aggressive S\u0026amp;S 550 camshaft, and robust valve springs.\u003c\/li\u003e\n\u003cli\u003eAchieves an impressive 11.1:1 compression ratio, optimizing engine efficiency for crisp throttle response and increased power output across the RPM range.\u003c\/li\u003e\n\u003cli\u003eFeatures a sleek black finish with highlighted fins, adding a distinctive custom look to your engine while ensuring optimal performance.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eBrand: S\u0026amp;S Cycle\u003c\/li\u003e\n\u003cli\u003eModel: Power Package\u003c\/li\u003e\n\u003cli\u003eProduct Name: Performance Kit\u003c\/li\u003e\n\u003cli\u003eUnits: Kit\u003c\/li\u003e\n\u003cli\u003eDisplacement: 128 cubic inches\u003c\/li\u003e\n\u003cli\u003eBore Size: 4.250\"\u003c\/li\u003e\n\u003cli\u003eStroke Length: 4.500\"\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 11.1:1\u003c\/li\u003e\n\u003cli\u003eCam Drive Type: Chain\u003c\/li\u003e\n\u003cli\u003eCooling System: Oil Cooled\u003c\/li\u003e\n\u003cli\u003eColor\/Finish: Black, Highlighted Fins\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 310-1103C\u003c\/li\u003e\n\u003cli\u003eMPN\/SKU: 09040130\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eImportant to Know\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eNot for 121\" CVO models.\u003c\/li\u003e\n\u003cli\u003eNot for any Trike models.\u003c\/li\u003e\n\u003cli\u003eIntake\/rocker cover gaskets not included (required for installation).\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026s Cycle","offers":[{"title":"Default Title","offer_id":62381478379850,"sku":"09040130","price":4781.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/2a2d1b830c25303ac079d388785f1dbc.webp?v=1781740076","url":"https:\/\/partsdenmark.com\/products\/s-s-cycle-128-big-bore-kit-for-harley-davidson-milwaukee-eight","provider":"Parts Denmark","version":"1.0","type":"link"}