The engine types may include 4.6L 281Cu. V8 CNG SOHC Naturally Aspirated,4.6L 281Cu. V8 GAS SOHC Naturally Aspirated. This part fits vehicles made in the following years 1998,1999,2000,2001,2002. This disc brake hardware kit is designed to match the original hardware required to repair the disc brake on specified vehicles.