Product Summary

Universal Fit, 8.75" Overall Length, 9" Overall Width

    Key Specs

    MFG. Part #91003031
    BrandSpeedway Motors

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    Oval Short 4-Barrel Scoop Air Cleaner. Improved version of an old air cleaner of unknown origin made from brand new tooling right here in the USA. Highly polished on all outside surfaces. Comes with 6-3/8" x 2-1/2" lifetime element, sheetmetal element cover, 1/4-20 threaded rod, bushing, stainless steel washer, and acorn nut. Fits all modern 4-Barrel carbs with 5-1/8" carb neck. Height 4-3/4", width at front 9", length 8-3/4". If you want to use two for an inline two 4-Barrel setup, the carbs would have to be at least 8 3/4" apart center to center - unless the rear air cleaner was mounted on a 4 1/2" riser, in which case a 6-1/2" center to center spacing would be OK. If you are running a cross-ram with the carbs side-by-side, you will need a 9-1/4" center-to-center spacing minimum.

    • Fully polished air scoop
    • Oval opening
    • 5-1/8" base
    • 6-3/8" x 2-1/2" element
    • Measures 8-3/4" L x 9" W x 4-3/4" T

    CARB Warning

    For race/ off road use or for use on pre-1966 vehicles.

    Emissions warning: this part only legal for sale or use in California for racing (competition) vehicles which may never be used, registered, or licensed for use upon a public highway, or if installed in vehicles model-year 1965 or older; motorcycles model-year 1977 or older; or off-highway recreational vehicles (such as off-road motorcycles and all-terrain vehicles) model-year 1996 and older. Any other use renders the vehicle tampered and not legal for use on California public highways (any public street or roadway, public dirt road, public park, or publicly maintained right of way open to the use of the public for vehicular travel). Violations subject to $37,500 penalty per violation per vehicle, revocation of registration, loss of use on California public right of ways, and proof of correction for tampering. There are similar restrictions and penalties under federal law and the laws of all other states with penalties under federal law of up to approximately $45,268 per tampered vehicle and/or engine.


    MFG. Part #91003031
    BrandSpeedway Motors
    Overall Length8.75"
    Overall Width9"
    Overall Height4.75"
    Material TypeCast Aluminum
    Sold in QuantityEach
    Hardware IncludedYes
    Inlet Diameter (Fraction)5-1/8"