Engine Valve Lifter KitEdelbrock part #97384 high performance hydraulic roller lifters for 1987 and later small block Chevys are the perfect match for Edelbrock Rollin' Thunder hydraulic roller cams. The Edelbrock Part #97384 are a drop in replacement for 1987 and later blocks that accept factory roller camshafts. These precision hydraulic roller lifters feature tight ID tolerances that allow for better control at higher RPM and a micro finish OD for reduced friction.