Whether you're racing Hooligan flat-track or just want more power, the S&S Hooligan kits for 2000-'21 Harley-Davidson Sportster models will give you an edge on the competition. Boost that 883 to 1200cc. Bolt on big bore kits mean easy installation with no machining and no rebalancing. S&S bolt-in cams and Precision Tappets make the most of the added displacement.