S&amp,S Cycle S&S Cycle Teardrop Air Cleaner Kit Chrome 17-0448 Cover may need to be notched for 5 gallon or larger tanks 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 Kit includes air cleaner backplate, pleated, washable filter element, chrome plated aluminum teardrop cover, all required hardware, and instructions A performance air cleaner is a must to get the most out of performance exhaust, cams, big bore or stroker kits Efficient, free flowing design can add two to five horsepower