{"product_id":"s-s-cycle-129-power-package-engine-kit-for-m8-107","title":"S\u0026S Cycle 129\" Power Package Engine Kit for M8 107\"","description":"\u003cp\u003eUnleash incredible power and torque with the \u003cstrong\u003eS\u0026amp;S Cycle 129\" M8 performance kit\u003c\/strong\u003e, designed to transform your 107\" Milwaukee-Eight engine into a formidable 129\" powerhouse. This comprehensive bolt-on big bore kit simplifies your engine upgrade, requiring no case machining for a straightforward installation.\u003c\/p\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eExperience a dramatic increase in displacement and performance with the S\u0026amp;S Cycle 129\" Power Package Engine Kit. Engineered specifically for 107\" Milwaukee-Eight models, this kit features precision-machined 4.320\" big bore cylinders paired with robust 11.0:1 forged pistons, delivering a significant boost in compression and overall power. The heart of this upgrade is the high-performance HPT496 cam, meticulously designed to complement big bore applications and maximize torque and horsepower output. Included Quickee pushrods with black tubes and S\u0026amp;S premium tappets ensure precise valve train operation, while the billet aluminum, hard-anodized black tappet cuffs provide enhanced durability. The kit also integrates S\u0026amp;S valve springs, capable of handling cams up to 0.605\" lift, and a high-performance conical single-wire spring design for reliable valve control. With its multi-layered steel (MLS) head gasket, you can count on a secure and long-lasting seal. This American-made kit is designed for seamless integration, retaining your stock engine height and original serial numbers, and is compatible with both stock crankcases and S\u0026amp;S roller rocker arms, as well as first and second-generation stock valve springs. The advanced S\u0026amp;S oil pump and cam plate feature independent scavenge sections for the flywheel cavity and cam chest, along with debris screens and a cam chest magnet, ensuring superior oil flow, debris protection, and engine longevity. An adjustable pressure relief valve allows for fine-tuning even after installation, highlighting the thoughtful engineering behind this comprehensive upgrade.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEffortless 129\" Big Bore Upgrade:\u003c\/strong\u003e Transform your 107\" Milwaukee-Eight engine to a powerful 129\" displacement with a bolt-on kit that requires no case machining, simplifying installation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eHigh-Performance Power Foundation:\u003c\/strong\u003e Equipped with durable 4.320\" big bore cylinders and 11.0:1 forged pistons for a significant increase in compression and robust power delivery.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOptimized Oil System for Longevity:\u003c\/strong\u003e Features an S\u0026amp;S oil pump\/cam plate with independent scavenge sections, debris screens, and a cam chest magnet to ensure superior lubrication, protect against contaminants, and extend engine life.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecision Valve Train Components:\u003c\/strong\u003e Includes an HPT496 cam, Quickee pushrods with black tubes, S\u0026amp;S premium tappets, and high-performance valve springs designed for cams up to 0.605\" lift, ensuring optimal engine response.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSeamless Integration \u0026amp; Compatibility:\u003c\/strong\u003e Designed to work flawlessly with stock crankcases, stock and S\u0026amp;S roller rocker arms, and both generations of stock valve springs, while retaining stock engine height and original serial numbers.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePremium American-Made Quality:\u003c\/strong\u003e Crafted in the USA with billet aluminum tappet cuffs, an MLS head gasket, and an adjustable pressure relief valve for exceptional durability, reliability, and serviceability.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003eProduct Name: Power Package\u003c\/li\u003e\n    \u003cli\u003eType: Engine Performance Kit\u003c\/li\u003e\n    \u003cli\u003eModel: HPT496 Series\u003c\/li\u003e\n    \u003cli\u003eDisplacement: 129 cu. in.\u003c\/li\u003e\n    \u003cli\u003eBore Size: 4.320\"\u003c\/li\u003e\n    \u003cli\u003eCompression Ratio: 11.0:1\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: Black, Non-Highlighted Fins\u003c\/li\u003e\n    \u003cli\u003eFeatures: Black Pushrod Tubes\u003c\/li\u003e\n    \u003cli\u003eUnits: Kit\u003c\/li\u003e\n    \u003cli\u003eVendor Part Number: 310-1397\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026s Cycle","offers":[{"title":"Default Title","offer_id":62381482082634,"sku":"09040183","price":68398.0,"currency_code":"SEK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/28c874e916b763a02fbde56348286368.webp?v=1781740254","url":"https:\/\/partsdenmark.se\/products\/s-s-cycle-129-power-package-engine-kit-for-m8-107","provider":"Parts Denmark","version":"1.0","type":"link"}