{"product_id":"s-s-cycle-129-power-package-big-bore-kit-for-m8","title":"S\u0026S Cycle 129\" Power Package Big Bore Kit for M8","description":"\u003cp\u003eUnleash the full potential of your Harley-Davidson Milwaukee-Eight engine with the S\u0026amp;S Cycle 129\" Power Package. This comprehensive big bore kit is engineered to transform your 107\" M8 into a formidable 129\" powerhouse, delivering a significant boost in torque and horsepower without the need for complex and costly case machining.\u003c\/p\u003e\u003ch2\u003eDescription\u003c\/h2\u003e\u003cp\u003eThe S\u0026amp;S Cycle 129\" Power Package is a premium engine upgrade designed for motorcycle enthusiasts seeking unparalleled performance. This bolt-on kit features 4.32\" bore cylinders and high-strength 11.0:1 compression ratio forged pistons, providing the foundation for extreme power gains. At its core, the package includes a meticulously engineered S\u0026amp;S oil pump and cam plate, finished with a distinctive blue anodized coating. This advanced oil management system boasts independent scavenge sections for both the flywheel cavity and cam chest, ensuring optimal lubrication and debris removal. Integral debris screens and a magnet in the cam chest further safeguard your engine's internals by preventing contaminants from entering the oil pump. Increased oil flow capacity on both the feed and scavenge sides, coupled with an adjustable pressure relief valve, guarantees consistent oil pressure and superior cooling for your oil-cooled M8 engine. The kit also integrates S\u0026amp;S Quickee pushrods, premium tappets, and durable hard-anodized, black coated billet aluminum tappet cuffs. Performance is further enhanced by S\u0026amp;S 550 cams, specifically designed for big bore applications, and high-performance conical single wire valve springs capable of handling cam lifts up to 0.605\". Every component in this kit is crafted for durability and performance, ensuring a reliable and exhilarating ride. All necessary gaskets, bearings, and hardware are included for a straightforward bolt-on installation, making this 129\" Power Package the ultimate Harley-Davidson M8 engine upgrade.\u003c\/p\u003e\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEffortless Power Upgrade:\u003c\/strong\u003e Transform your 107\" M8 engine into a potent 129\" powerhouse with a bolt-on kit that requires no case machining, simplifying installation and saving time.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOptimized Oil Management:\u003c\/strong\u003e Features an S\u0026amp;S oil pump\/cam plate with independent scavenge sections, debris screens, and a cam chest magnet, ensuring superior lubrication and engine protection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Performance Internals:\u003c\/strong\u003e Includes 4.32\" bore cylinders, 11.0:1 compression forged pistons, S\u0026amp;S Quickee pushrods, premium tappets, and billet aluminum tappet cuffs for robust and reliable operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBig Bore Specific Cams:\u003c\/strong\u003e Equipped with S\u0026amp;S 550 cams precisely engineered for maximum performance in big bore applications, complemented by high-performance valve springs supporting up to 0.605\" lift.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAdjustable Oil Pressure Control:\u003c\/strong\u003e An adjustable pressure relief valve, serviceable even when installed, allows for fine-tuning of oil pressure to match specific engine demands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eComplete Bolt-On Solution:\u003c\/strong\u003e Comes with all necessary gaskets, bearings, and hardware for a comprehensive and hassle-free installation, ensuring you have everything needed for the upgrade.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eType: Engine Performance Kit\u003c\/li\u003e\n\u003cli\u003eModel: Power Package\u003c\/li\u003e\n\u003cli\u003eUnits: Kit\u003c\/li\u003e\n\u003cli\u003eProduct Name: Performance Kit\u003c\/li\u003e\n\u003cli\u003eBore Size: 4.32\"\u003c\/li\u003e\n\u003cli\u003eDisplacement: 129\"\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 11.0:1\u003c\/li\u003e\n\u003cli\u003eStroke Length: 4-3\/8\"\u003c\/li\u003e\n\u003cli\u003eCam Drive Type: Gear\u003c\/li\u003e\n\u003cli\u003eCooling System: Oil Cooled\u003c\/li\u003e\n\u003cli\u003eColor\/Finish: Highlighted Fins, Wrinkle Black\u003c\/li\u003e\n\u003cli\u003eCam Lift Compatibility: Up to 0.605\"\u003c\/li\u003e\n\u003cli\u003eFeatures: Chrome Pushrod Tubes\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 310-1224C\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eImportant to Know\u003c\/h2\u003e\u003cul\u003e\u003cli\u003eNot for any Trike models.\u003c\/li\u003e\u003c\/ul\u003e","brand":"S\u0026s Cycle","offers":[{"title":"Default Title","offer_id":62381479428426,"sku":"09040159","price":21397.0,"currency_code":"PLN","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/3ff3744bcfa4e7e6e5b5a1c67ceaa3eb.webp?v=1781740135","url":"https:\/\/partsdenmark.pl\/products\/s-s-cycle-129-power-package-big-bore-kit-for-m8","provider":"Parts Denmark","version":"1.0","type":"link"}