{"product_id":"s-s-cycle-4-375-in-stroke-129-in-big-bore-kit-model-910-0844a","title":"S\u0026S Cycle 4.375 in Stroke 129 in Big-Bore Kit, Model 910-0844A","description":"The biggest Big Bore possible with a slip in kit! The S\u0026amp;S 4.320\" bore cylinder kit takes your 107\" M8 to 129\" and the 114\" to 132\"\n\u003cul\u003e\n  \u003cli\u003eWorks with stock crankcases (no machine work)\u003c\/li\u003e\n  \u003cli\u003eHuge bore increase means huge power increase\u003c\/li\u003e\n  \u003cli\u003ePowder coat finish matches factory finish\u003c\/li\u003e\n  \u003cli\u003eMLS (multi-layered steel) head gaskets\u003c\/li\u003e\n  \u003cli\u003eIncludes Cubic Inch Cam Cover Badge\u003c\/li\u003e\n  \u003cli\u003eRetains stock engine height\u003c\/li\u003e\n  \u003cli\u003e4.320\" Bore\u003c\/li\u003e\n  \u003cli\u003eMade in USA\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe S\u0026amp;S Cycle 129 in Big-Bore Kit is designed for 2017 and newer M8 models. It uses a 4.320 in bore and a 4.375 in stroke to convert a 107 in M8 engine to 129 in. The kit can also convert a 114 in M8 engine to 132 in, providing a substantial increase in displacement while retaining the stock engine height.\u003c\/p\u003e\u003cp\u003eThis slip-in kit is designed to work with stock crankcases without machine work. It features non-highlighted cylinders with a powder coat finish intended to match the factory finish, along with MLS (multi-layer steel) head gaskets. The kit also includes a Cubic Inch Cam Cover Badge.\u003c\/p\u003e\u003cp\u003eManufacturer part number: 910-0844A. Vendor part number: 910-0844A. Fitment is listed for 2017 and newer M8 models, including 107 in and 114 in configurations as described by the manufacturer. This product is not California Air Resources Board approved.\u003c\/p\u003e\u003cp\u003e\u003cb\u003eFeatures:\u003c\/b\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eFitment: Designed for 2017 and newer M8 models\u003c\/li\u003e\n\u003cli\u003eDisplacement: Converts a 107 in M8 engine to 129 in or a 114 in M8 engine to 132 in\u003c\/li\u003e\n\u003cli\u003eBore: 4.320 in\u003c\/li\u003e\n\u003cli\u003eStroke: 4.375 in\u003c\/li\u003e\n\u003cli\u003eInstallation: Slip-in design works with stock crankcases without machine work\u003c\/li\u003e\n\u003cli\u003eEngine Height: Retains stock engine height\u003c\/li\u003e\n\u003cli\u003eFinish: Powder coat finish matches the factory finish\u003c\/li\u003e\n\u003cli\u003eGaskets: Includes MLS (multi-layer steel) head gaskets\u003c\/li\u003e\n\u003cli\u003eAccessory: Includes Cubic Inch Cam Cover Badge\u003c\/li\u003e\n\u003cli\u003eManufacturing: Made in USA\u003c\/li\u003e\n\u003cli\u003eRegulatory Status: Not California Air Resources Board approved\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cbr\u003e\n\u003cbr\u003e\nAir Freight Prohibited: false\u003cbr\u003e\nNot Carb Approved: true\u003cbr\u003e\nCarb Acknowledgement Required: true\u003cbr\u003e\nLtl Freight Required: false\u003cbr\u003e\nProp 65: Unknown\u003cbr\u003e\nPart Type: powersports\u003cbr\u003e\nEpa: N\/A\u003cbr\u003e\nRegular Stock: false\u003cbr\u003e\nUnits Per Sku: 1","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":68302755037419,"sku":"852165","price":1643.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0611\/3882\/9547\/files\/01745e5601431e04b1bccc5cc7d7a03aL.jpg?v=1793250666","url":"https:\/\/ctracingservices.com\/products\/s-s-cycle-4-375-in-stroke-129-in-big-bore-kit-model-910-0844a","provider":"Cascade Tire \u0026 Racing Services","version":"1.0","type":"link"}