Comp Cam High Energy Hydraulic / Solid lifters have a patented constant orifice metering valve that precisely meters oil to the rocker arms, eliminating excessive oiling at high engine speeds. In addition, High Energy™ Lifters have a lightweight check valve disc that allows for quicker response, which results in increased engine speed before valve float. This check valve disc also maintains added control at all engine speeds and loads. High Energy™ Hydraulic Lifters also contain a longer piston than conventional hydraulic lifters, which provides more load bearing surface and increases lifter longevity.
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