Carburetor Dome Bug Screen - Fits 48, 81, 94, 97 carbs - Fits Weber 48 IDA+DCOE, Inglese(TWM), Borla, Imagine 50mm trumpet style tubes and Hilborn 2-3/16" small block stack - These dome bug screens will keep all the things that are not healthy for you motor out - Made of stainless steel - Measures 2.12" at the base across - Measures 2-1/4" L x 2-1/4" W x 1" H - Made in the United States - Manufactured by OTB - Sold as a single.