{"product_id":"s-s-cycle-power-pack-for-m8-engines-part-310-1398a-oil-cooled-496-cam-wrinkle-black-finish","title":"S\u0026S Cycle Power Pack for M8 Engines (Part #310-1398A) – Oil Cooled, 496 Cam, Wrinkle Black Finish","description":"Power Pack - Oil Cooled - 496 Gear Drive - Wrinkle Black w\/Highlight - M8\n\u003cp\u003eThe S\u0026amp;S Cycle Power Pack for M8 engines (Part #310-1398A) provides a comprehensive upgrade for your Harley-Davidson M8 motorcycle, including models equipped with VVT. Designed to increase performance and reliability, this power pack features a Big Bore bolt-on kit that extends the engine capacity from 107 inches to 129 inches without the need for case machining. The kit is compatible with stock crankcases and maintains the original engine height, ensuring a seamless upgrade process. Built in the USA, this power pack retains the stock engine serial number and works with the stock and S\u0026amp;S roller rocker arms, making it an ideal choice for enthusiasts seeking enhanced performance without extensive modifications. The package includes high-quality components such as a 496 camshaft, S\u0026amp;S premium tappets, and valve springs designed to work with cams up to 0.605 inches of lift, offering a significant boost in power and efficiency. \u003cbr\u003e The oil system is optimized with independent scavenge sections for the flywheel cavity and cam chest, debris screens in both pickups, and a magnet in the cam chest to prevent debris from entering the oil pump. Increased oil flow capacity on both feed and scavenge sides ensures proper lubrication during high-performance riding. Adjustable pressure relief valves allow fine-tuning of oil pressure with the engine installed, providing additional control and peace of mind. \u003cbr\u003e This set also includes Quickee pushrods with pushrod tubes, S\u0026amp;S hard anodized black-coated billet aluminum tappet cuffs, and MLS multi-layered steel head gaskets for durability and reliability. The design accommodates both first-generation round port and second-generation oval port heads, making it versatile for various configurations. The wrinkle black finish with highlight accents adds a sleek, professional look to your engine, completing a high-performance upgrade that enhances both style and function.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\u003cli\u003eUpdated profile compatible with M8 models including VVT engines\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBig Bore bolt-on kit increases engine size from 107\" to 129\" without case machining\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes S\u0026amp;S oil pump and cam plate for improved lubrication\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eRemovable passage plugs for easy servicing\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIndependent scavenge sections for flywheel cavity and cam chest\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eDebris screens in both scavenge pickups prevent contaminants\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMagnet in cam chest helps prevent debris entry into the oil pump\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEnhanced oil flow capacity on feed and scavenge sides\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eAdjustable pressure relief valve for precise oil pressure control\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eQuickee pushrods with pushrod tubes for reliable operation\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eS\u0026amp;S premium tappets with high-quality construction\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eBlack coated, billet aluminum tappet cuffs for durability\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eHigh performance conical single wire valve springs compatible with cams up to 0.605\" lift\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eMLS multi-layered steel head gasket for sealing integrity\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eIncludes 496 camshaft for increased performance\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eEngine retains stock height and works with stock crankcases\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eCompatible with stock and S\u0026amp;S roller rocker arms\u003c\/li\u003e\u003c\/ul\u003e\u003cul\u003e\u003cli\u003eOriginal engine serial number retention for identification\u003c\/li\u003e\u003c\/ul\u003e","brand":"S\u0026S CYCLE","offers":[{"title":"Default Title","offer_id":50412839993537,"sku":"0904-0231","price":3497.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0060\/5929\/4802\/files\/5839533.png?v=1784220094","url":"https:\/\/teamdreamrides.com\/products\/s-s-cycle-power-pack-for-m8-engines-part-310-1398a-oil-cooled-496-cam-wrinkle-black-finish","provider":"Team Dream Rides","version":"1.0","type":"link"}