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COMP Cams Evolution HCT hydraulic cartridge tappets for GM LS engines are a retro-fit hydraulic roller lifter set offered in a set of 16. The patented hydraulic cartridge design reduces oil aeration effects, delivers consistent bleed rates, and creates a stiffer lifter body to minimize distortion. The hydraulic element is serviceable, allowing rebuilds without replacing the entire lifter assembly.
Comp Cams GM LS Evolution Retro-Fit Hydraulic Roller Lifters - Set of 16
