Housing Length 29-7/8"

Parkerized reproduction of OEM# 543-36 assembly used on 1939-1947 Harley-Davidson Knuckleheads

mild-steel

Keeping the heat in keeps the exhaust speed high

making it a straightforward upgrade for that classic tall-and-narrow look

Hooligan Kit - 1200cc to 1250cc for 2000 - 2021 Harley-Davidson Sportster Models - Silver Tire Size_21" Housing Length 29-7/8"Whether youre racing Hooligan flat track or just want more power, the S&S Hooligan kits for 2000 2021 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 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,