{"product_id":"s-s-cycle-hooligan-kit-2000-2021-harley-davidson-sportster-models-2","title":"S\u0026S Cycle Hooligan 1250cc Big Bore Kit - Harley Sportster","description":"\u003c!-- vt:seo-start --\u003e\n\u003cdiv class=\"vt-brand-bio\" style=\"background:#f6f6f6;border-left:4px solid #c8102e;padding:14px 18px;margin:0 0 20px;border-radius:4px;\"\u003e\n\u003ch2 style=\"margin:0 0 6px;font-size:1.05em;\"\u003eAbout S\u0026amp;S Cycle\u003c\/h2\u003e\n\u003cp style=\"margin:0;font-size:0.95em;line-height:1.6;\"\u003eS\u0026amp;S Cycle has built American V-twin performance parts in Viola, Wisconsin since 1958 — flywheels, carburetors, cams, cylinder heads and complete crate engines. When a Harley owner talks about a 124, a 128 or a 131 build, they are usually talking about S\u0026amp;S. Few names carry more weight with engine builders in this space.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cp style=\"line-height:1.65;\"\u003eTransform your 1200cc Sportster into a 1250cc powerhouse with the S\u0026amp;S Cycle Hooligan Big Bore Kit. This bolt-on upgrade delivers a significant bump in displacement and performance without requiring complicated machining or rebalancing of your engine's internals. It's designed for riders seeking an easy path to more usable torque and horsepower from their V-twin.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eWhy riders pick this\u003c\/h3\u003e\u003cul style=\"padding-left:20px;margin:0 0 16px;\"\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBoosts 1200cc Sportster engines to 1250cc\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eBolt-on cylinders and pistons for easy install\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eIncludes S\u0026amp;S 482 cam for improved power delivery\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWorks with stock heads, pushrods, and fuel system\u003c\/li\u003e\n\u003cli style=\"margin:3px 0;\"\u003eWrinkle black finish matches factory engine cases\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe S\u0026amp;S Cycle Hooligan Big Bore Kit is engineered for a straightforward installation, allowing you to upgrade your 1200cc Sportster engine to 1250cc with minimal hassle. This kit includes new cylinders, pistons, and an S\u0026amp;S 482 cam, all designed to work seamlessly with your stock heads, pushrods, and fuel system. The wrinkle black finish ensures it blends in perfectly with your existing engine aesthetics.\u003c\/p\u003e\u003ch3\u003eUnlock More Sportster Performance\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eIncreases 1200cc Sportster engine displacement to 1250cc\u003c\/li\u003e\n\u003cli\u003eTrue bolt-on installation requires no machining or rebalancing\u003c\/li\u003e\n\u003cli\u003eIncludes an S\u0026amp;S 482 cam for enhanced valve timing and power\u003c\/li\u003e\n\u003cli\u003eDesigned to integrate with stock heads, pushrods, and fuel system\u003c\/li\u003e\n\u003cli\u003eWrinkle black finish provides a factory-matched appearance\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eSimple Path to Power\u003c\/h3\u003e\u003cp\u003eThis Hooligan kit is ideal for Sportster owners looking for a significant performance boost without the complexity of a full engine build. By utilizing existing engine components, S\u0026amp;S has made a big-bore upgrade accessible for the home mechanic or a quick shop install. Pair it with an S\u0026amp;S intake and exhaust for the full performance potential.\u003c\/p\u003e\n\u003ch3 style=\"margin:20px 0 6px;\"\u003eSpecifications\u003c\/h3\u003e\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand:\u003c\/strong\u003e S\u0026amp;S Cycle\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part #:\u003c\/strong\u003e 910-0701\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Engine Components \/ Piston Sets - Powersports\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 26.9 lb\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3 style=\"margin:22px 0 8px;\"\u003eCommon questions\u003c\/h3\u003e\u003cdiv class=\"vt-faq\"\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eDo I need to machine the cylinders or rebalance the crank?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eNo, this S\u0026amp;S Hooligan kit is a true bolt-on upgrade. The pistons and cylinders install without machining, and your engine's internal components do not require rebalancing.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWill this kit work with my stock heads and pushrods?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eYes, this kit is specifically designed to be compatible with your stock cylinder heads, pushrods, and existing fuel system for a direct fit.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv style=\"margin:0 0 12px;\"\u003e\n\u003cp style=\"margin:0 0 3px;font-weight:600;\"\u003eWhat kind of performance increase can I expect?\u003c\/p\u003e\n\u003cp style=\"margin:0;line-height:1.6;\"\u003eWhile specific numbers vary, this kit is designed to provide a noticeable increase in displacement and power. For optimal results, consider combining it with an S\u0026amp;S intake and exhaust system.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"vt-confidence\" style=\"border-top:1px solid #e5e5e5;margin:24px 0 0;padding:16px 0 0;font-size:0.92em;line-height:1.6;\"\u003e\n\u003ch3 style=\"margin:0 0 6px;\"\u003eOrdering from Vtwinbikers\u003c\/h3\u003e\n\u003cul style=\"padding-left:20px;margin:0;\"\u003e\n\u003cli\u003eBrand new, sourced through authorized US distribution — never used, never grey-market.\u003c\/li\u003e\n\u003cli\u003eNot sure it fits? Use \u003cstrong\u003eShop by Bike\u003c\/strong\u003e to filter by your year and model, or email us and we will confirm before you order.\u003c\/li\u003e\n\u003cli\u003eHarley-Davidson and Indian Motorcycle is all we do, so you are talking to people who ride what you ride.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"BreadcrumbList\",\"itemListElement\":[{\"@type\":\"ListItem\",\"position\":1,\"name\":\"Home\",\"item\":\"https:\/\/vtwinbikers.com\"},{\"@type\":\"ListItem\",\"position\":2,\"name\":\"Piston Sets - Powersports\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/all\"},{\"@type\":\"ListItem\",\"position\":3,\"name\":\"S\u0026S Cycle\",\"item\":\"https:\/\/vtwinbikers.com\/collections\/s-s-cycle\"},{\"@type\":\"ListItem\",\"position\":4,\"name\":\"S\u0026S Cycle Hooligan 1250cc Big Bore Kit - Harley Sportster\",\"item\":\"https:\/\/vtwinbikers.com\/products\/s-s-cycle-hooligan-kit-2000-2021-harley-davidson-sportster-models-2\"}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"Do I need to machine the cylinders or rebalance the crank?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"No, this S\u0026S Hooligan kit is a true bolt-on upgrade. The pistons and cylinders install without machining, and your engine's internal components do not require rebalancing.\"}},{\"@type\":\"Question\",\"name\":\"Will this kit work with my stock heads and pushrods?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, this kit is specifically designed to be compatible with your stock cylinder heads, pushrods, and existing fuel system for a direct fit.\"}},{\"@type\":\"Question\",\"name\":\"What kind of performance increase can I expect?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"While specific numbers vary, this kit is designed to provide a noticeable increase in displacement and power. For optimal results, consider combining it with an S\u0026S intake and exhaust system.\"}}]}\u003c\/script\u003e\n\u003c!-- vt:seo-end --\u003e","brand":"S\u0026S Cycle","offers":[{"title":"Default Title","offer_id":53040438149231,"sku":"T14-664087","price":1822.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0608\/6734\/6543\/files\/output_3ced88e8-cfa2-42b2-a2a0-fa93a18b1780.png?v=1779566650","url":"https:\/\/vtwinbikers.com\/products\/s-s-cycle-hooligan-kit-2000-2021-harley-davidson-sportster-models-2","provider":"Vtwinbikers","version":"1.0","type":"link"}