Comp Cams Performance Valve Lifter 850-12

High Energy™ Hydraulic Roller Lifters Chevrolet 4.3L V6. For use in blocks originally equipped with hydraulic roller cam (’87 to present). These lifters are for use with the newly designed hydraulic roller cam series from COMP Cams® or as a performance replacement for stock hydraulic roller lifters. You must be certain that the lifter is correct for the type of block used.