Fit For Chrysler Pacifica 6 Cyl 3.6L 2017-2022 5047896AD, 5047896AC 6-Piece Valve Rocker Arm Set. Part Number: 5047896AD, 5047896AC, 170277. Material Construction: Made from reliable metal, these rocker arms are designed to withstand the rigors of working, offering stable permanence. Featuring a roller tip design, it reduces friction with the valve stem, supporting longer valve service life. It handles extreme temperature shifts effectively, functioning reliably in both cold and hot environments., Manufacturer: XKBUAPM