Available for Edelbrock single- and dual-quad applications, these oval air cleaners clear HEI distributors and all stock components. #1235 fits Edelbrock low profile dual-quad manifolds and others with 6-7/16" carb center-to-center. They come with high-quality 2-1/2" washable, pre-oiled cotton gauze filter for excellent filtration. Overall dimension is 13-1/2" x 7".