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COMP Cams Evolution HCT hydraulic roller lifters for Chevrolet big-block 396–454 are a patented hydraulic cartridge tappet designed to deliver consistent, quiet operation and responsive bleed rates at higher RPM. The reduced internal oil volume and stiff lifter body minimize aeration and distortion for uniform performance. The hydraulic element is serviceable, allowing rebuilds and long-term maintenance in-house.
COMP Cams Evolution Retro-Fit Hydraulic Roller Lifters For Chevrolet Big Block 396-454
