COMP CAMS Retro-Fit Hyd Rlr Lifters Chrys 383-440 COM8921-16

Link Bar Retro-Fit Hydraulic Roller Lifters (Patent Pending). Precise piston fit for lowest leakdown rate. Patent-pending piston allows trapped air to escape lifter for faster "pump up". Axles produced from premium 52100 heat-treated Steel for increased wear resistance and overall strength. Lightweight body design. Includes (16) lifters. Applications: Chrysler Big Block 383-440 Retro-fit Roller lifters for blocks originally equipped with a flat tappet cam. Specifications: .904" Diameter, 159g Weight, 2.30" Seat Height.