Overview Product Description RA068001 IS FOR 5.7 lITER ENGINES RA068002 IS FOR 6.0 LITER ENGINESTENSIONER, for Serpentine belt systems. This is the entire assembly, pulley and body. RA068001 IS FOR 5.7 lITER ENGINES RA068002 IS FOR 6.0 LITER ENGINES Product Videos Custom Field Product Reviews