Granatelli silicone reducer sleeve transitions 4" to 3" diameter with included clamps for All Ford applications. The kit includes one silicone sleeve plus a pair of clamps (1052 and 1060) to create a reliable flexible join between differing intake or charge piping sizes. It’s a simple solution for connecting mismatched ducts while retaining a durable, heat-tolerant silicone connection.
Granatelli 4in-3in Silicone Reducer Sleeve w/Clamps