Yella Terra manufacture this replacement snout as a upgrade for the Eaton supercharger in the FG 5.0 lt. Once the kit is installed you can change the supercharger pulley larger or smaller. Pulleys come in 74, 71, 67, 64 and 61 mm. The snout is CNC machined. Each kit comes with snout, sealant, supercharger oil, a top pulley, bolts and instructions are also included. 00109023