COMP Cams® Evolution™ Hydraulic Roller Lifters with Hydraulic Cartridge Technology

COMP Cams introduces the first lifters ever created using patent Hydraulic Cartridge Technology that deliver unparalleled precision and longevity - the Evolution Hydraulic Roller Lifters.
Features & Benefits:
• Patented HCT uses a self-contained hydraulic cartridge with reduced oil volume to deliver consistent bleed rates
• HCT and proprietary methods ensure unparalleled precision and longevity
• Stiff lifter body reduces body distortion to ensure consistent performance
• Hydraulic element is serviceable, allowing anyone to rebuild

[@robertturner1947]

More moving parts in the valvetrain🙄not on my Xmas list

[@brodymurphy1300]

Wow. A whole one more moving part 🤔