{"product_id":"s-s-cycle-big-bore-piston-kit-for-128-engines","title":"S\u0026S Cycle Big Bore Piston Kit for 128\" Engines","description":"\u003cp\u003eElevate your motorcycle's performance with the S\u0026amp;S Cycle Big Bore Piston Kit, engineered to deliver significant power and displacement gains. This comprehensive kit provides everything needed for a robust engine upgrade, ensuring enhanced durability and reliability for demanding riders.\u003c\/p\u003e\n\n\u003ch2\u003eDescription\u003c\/h2\u003e\n\u003cp\u003eUnleash the full potential of your engine with this high-performance S\u0026amp;S Cycle 128 cubic inch big bore piston kit. Designed for motorcycle enthusiasts seeking a substantial power boost, this kit transforms your stock engine into a formidable powerhouse. Featuring a precise 4.250\" bore size and a 4.500\" stroke length, these pistons are crafted to optimize combustion and maximize torque across the RPM range. The kit includes a complete set of pistons, high-quality rings, durable wristpins, and secure clips, providing a full solution for your engine rebuild or upgrade. Each component is meticulously engineered to S\u0026amp;S Cycle's rigorous standards, ensuring a perfect fit and long-lasting performance. The dished piston head design is optimized for specific compression ratios, calculated with the correct length cylinders as specified by S\u0026amp;S, offering reliability even under extreme conditions. With a +0.010\" bore oversize, this S\u0026amp;S Cycle big bore piston set is ideal for achieving a tighter tolerance and superior seal, crucial for maximizing engine efficiency and longevity. This kit is a testament to S\u0026amp;S Cycle's commitment to delivering top-tier motorcycle engine upgrades.\u003c\/p\u003e\n\n\u003ch2\u003eFeatures \u0026amp; Highlights\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cstrong\u003eSignificant Displacement Increase:\u003c\/strong\u003e Achieve a powerful 128 cubic inch displacement, providing a noticeable boost in horsepower and torque for an exhilarating ride.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003ePrecision Big Bore Design:\u003c\/strong\u003e Engineered with a 4.250\" bore size and a +0.010\" oversize for optimal performance, enhanced cylinder sealing, and superior engine efficiency.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eComplete Engine Upgrade Kit:\u003c\/strong\u003e Includes all essential components – pistons, rings, wristpins, and clips – for a hassle-free and comprehensive engine rebuild or performance enhancement.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eOptimized Compression Profile:\u003c\/strong\u003e Features a dished piston head shape, meticulously designed to achieve specific compression ratios for reliable, high-performance operation.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eDurable S\u0026amp;S Cycle Quality:\u003c\/strong\u003e Manufactured by S\u0026amp;S Cycle, a trusted name in motorcycle performance, ensuring exceptional material strength and longevity under rigorous conditions.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cstrong\u003eEnhanced Engine Longevity:\u003c\/strong\u003e Built with robust materials and precision engineering to withstand the demands of increased power, contributing to the overall durability of your motorcycle engine.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003eProduct Name: Piston Kit\u003c\/li\u003e\n    \u003cli\u003eStyle: Big Bore\u003c\/li\u003e\n    \u003cli\u003eUnits: Kit\u003c\/li\u003e\n    \u003cli\u003eBore Size: 4.250\"\u003c\/li\u003e\n    \u003cli\u003eBore Oversize: +0.010\"\u003c\/li\u003e\n    \u003cli\u003eDisplacement: 128\"\u003c\/li\u003e\n    \u003cli\u003eStroke Length: 4.500\"\u003c\/li\u003e\n    \u003cli\u003ePiston Head Shape: Dished\u003c\/li\u003e\n    \u003cli\u003eVendor Part Number: 920-0142\u003c\/li\u003e\n    \u003cli\u003eMPN\/SKU: 09106522\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eImportant to Know\u003c\/h2\u003e\n\u003cul\u003e\n    \u003cli\u003eCompression ratios listed are approximate and are calculated using the correct length cylinders as specified by S\u0026amp;S.\u003c\/li\u003e\n    \u003cli\u003eThis kit includes pistons, rings, wristpins, and clips. Cylinders, gaskets, and other engine components are not included and must be purchased separately.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"S\u0026s Cycle","offers":[{"title":"Default Title","offer_id":62381540802890,"sku":"09106522","price":5769.0,"currency_code":"DKK","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0971\/0016\/9546\/files\/d621ab6fd0a3e8c7fbdf6efdc921ffa7.webp?v=1781741750","url":"https:\/\/partsdenmark.dk\/products\/s-s-cycle-big-bore-piston-kit-for-128-engines","provider":"Parts Denmark","version":"1.0","type":"link"}