These Filters have an rubber polymer neck and a cone shaped filter element and for this universal filter there are also reducing rings included with the filter to reduce the neck diameter to any of the following sizes, 70mm, 76mm, 80mm, 85mm & 90mm, making this filter able to fit a wider range of vehicles. These Filters are cone shaped because it enables easy fitting to space restricted engine compartments and with the extremely large amount of foam surface area an added boost of power to your engine too! the Filters themselves are constructed using stainless steel cage internal and our famous Twin layer foam.
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