Bolt on big bore kits mean easy installation with no machining and no rebalancing. S&S bolt-in cams and premium tappets make the most of the added displacement. Up to 85 horsepower with S&S intake & exhaust. Easy installation - Bolt-on parts - no machining, no rebalancing.Increase 1200cc engines to 1250cc. Use stock heads, pushrods, and fuel system. Available in wrinkle black that matches stock finish. The item "S&S SS Cycle Black Big Bore Hooligan Kit 1250cc Harley Sportster 00-2020 Xl 1200" is in sale since Tuesday, November 22, 2016. This item is in the category "eBay Motors\Parts & Accessories\Motorcycle Parts\Engines & Engine Parts\Big Bore & Top End Kits". The seller is "americanclassicmotors" and is located in Zieglerville, Pennsylvania. This item can be shipped worldwide.