Out of stock
SKU: KNE56-1350
UPC: 024844014016
MPN: 56-1350
The K&N Engineering SDO 7in x 4-1/2in Oval – 3.25H Filter is a premium air cleaner assembly purpose-built for classic and custom carbureted engines requiring precision intake filtration. Designed for 2-barrel carburetors with a direct flange mount, this oval filter serves street machines, hot rods, and restoration projects where OEM air boxes won't fit or complement custom engine bays. The 7 x 4.5 inch oval configuration maximizes filter media surface area while maintaining compact installation footprint—critical for builders working within tight underhood spaces or wanting unobstructed engine bay aesthetics.
K&N's pleated media design delivers superior airflow and dust-holding capacity compared to traditional paper filters, directly supporting carburetor efficiency and throttle response on naturally aspirated builds. The 3.25-inch height strikes a balance between filter element depth and installation flexibility, fitting beneath most custom air cleaner lids without clearance conflicts. A chrome-plated steel construction housing provides corrosion resistance and visual appeal typical of show-quality restorations, while the iconic K&N branding identifies it as genuine equipment—not a knockoff. This complete kit ships ready to bolt to your 2-barrel carburetor flange, eliminating the need for adapter rings or welding modifications.
Mechanics and enthusiasts restoring vintage muscle cars, Chevrolet 350s, 305s, and small-block Ford engines appreciate this filter's durability and reusability—K&N elements clean with compressed air and specialized cleaner rather than requiring constant replacement. Installation involves removing your current air cleaner assembly, positioning the flange onto your existing 2-barrel carburetor mount, and securing with factory hardware. Weighing just 1.52 lbs and measuring 8.4 x 6.85 x 10.45 inches, it integrates seamlessly into custom engine bays while delivering the high-flow performance and timeless chrome finish that separates professional builds from amateur work.
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