S&S Teardrop Air Cleaner Kit For Harley CV Big Twin A performance air cleaner is a must to get the most out of performance exhaust, cams, big bore or stroker kits. Step up to the icon good looks and increased performance of the S&S Teardrop Air Cleaner! Features: Efficient, free flowing design can add two to five horsepower Uniquely designed back plate with air horn style radiused entryway and dimpled cover with directional air cone on inside creates smooth path for air to reduce turbulence A performance air cleaner is a must to get the most out of performance exhaust, cams, big bore or stroker kits Kit includes air cleaner backplate, pleated, washable filter element, chrome plated aluminum teardrop cover, all required hardware, and instructions Cover may need to be notched for 5 gallon or larger tanks Note: Not compatible with S&S carburetors or fuel injection systems.