COMP Cams Evolution HCT hydraulic roller lifters for Chrysler 383–440 engines are a patented retrofit tappet designed to deliver highly consistent hydraulic performance across a set. The HCT cartridge reduces internal oil volume and is less affected by aeration, yielding uniform bleed rates, quieter startup, and improved high-RPM control. The patented hydraulic element is serviceable, allowing lifter rebuilding in a home garage.
COMP Cams Evolution Retro-Fit Hydraulic Roller Lifters for Chrysler 383-440 - Set of 16