{"product_id":"s-s-cycle-129-big-bore-cylinder-kit-1","title":"S\u0026S Cycle 129\" Big Bore Cylinder Kit","description":"\u003cp\u003eStart your engine upgrade with the S\u0026amp;S Cycle 129\" Big Bore Cylinder Kit, engineered to boost your motorcycle's performance without compromising its original integrity. This premium kit delivers increased displacement and power, transforming your ride.\u003c\/p\u003e\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eS\u0026amp;S Cycle 129\" Big Bore Cylinder Kit\u003c\/strong\u003e is the ultimate solution for riders seeking a significant power increase. Designed for seamless integration, this high-performance motorcycle cylinder kit retains your engine's original serial numbers and stock height, ensuring hassle-free installation and compliance. Featuring a robust 4.320\" bore size and a 4.375\" stroke length, it elevates your engine's displacement to a formidable 129 cubic inches. The kit boasts an aggressive 11.0:1 compression ratio, providing a substantial boost in throttle response and overall horsepower. Crafted with precision, it includes Multi-Layered Steel (MLS) head gaskets for superior sealing and durability under extreme conditions. The cylinders come in a striking powder-coated, wrinkle black finish with highlighted fins, adding a custom, high-performance aesthetic to your motorcycle engine upgrade. Its stock bolt pattern and compatibility with your stock crankcase make this a straightforward yet powerful enhancement.\u003c\/p\u003e\n\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnhanced Displacement \u0026amp; Power:\u003c\/strong\u003e Transform your ride with a significant boost in engine displacement to 129\", delivering noticeable power and torque gains for an exhilarating experience.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSeamless Integration:\u003c\/strong\u003e Designed to work with your stock crankcase and bolt pattern, this kit retains your engine's original serial numbers and stock height, simplifying installation while maintaining authenticity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSuperior Sealing with MLS Gaskets:\u003c\/strong\u003e Includes high-quality Multi-Layered Steel (MLS) head gaskets, providing exceptional sealing integrity and reliability under high-performance demands.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAggressive Compression Ratio:\u003c\/strong\u003e An 11.0:1 compression ratio optimizes combustion efficiency, resulting in improved throttle response and increased horsepower for a more dynamic ride.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable \u0026amp; Stylish Finish:\u003c\/strong\u003e The cylinders feature a powder-coated, wrinkle black finish with highlighted fins, offering both robust protection and a custom, high-performance aesthetic.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eProduct Name: Cylinder Kit\u003c\/li\u003e\n\u003cli\u003eType: Big Bore\u003c\/li\u003e\n\u003cli\u003eUnits: Kit\u003c\/li\u003e\n\u003cli\u003eBore Size: 4.320\"\u003c\/li\u003e\n\u003cli\u003eStroke Length: 4.375\"\u003c\/li\u003e\n\u003cli\u003eDisplacement: 129\"\u003c\/li\u003e\n\u003cli\u003eCompression Ratio: 11.0:1\u003c\/li\u003e\n\u003cli\u003eColor\/Finish: Powder-Coated, Highlighted Fins, Wrinkle Black\u003c\/li\u003e\n\u003cli\u003eVendor Part Number: 910-0843A\u003c\/li\u003e\n\u003cli\u003eMPN\/SKU: 09311205\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eImportant to Know\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eNot compatible with VVT (Variable Valve Timing) models.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026s Cycle","offers":[{"title":"Default Title","offer_id":62384562569546,"sku":"09311205","price":2407.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/90bd62d1f81716344e0c0decbe8415fb.webp?v=1781767867","url":"https:\/\/partsdenmark.com\/it\/products\/s-s-cycle-129-big-bore-cylinder-kit-1","provider":"Parts Denmark","version":"1.0","type":"link"}