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The COMP Cams HV NSR camshaft is specified for GM cathedral-port 4.8L, 5.3L and 6.0L engines and is offered as a high-value street cam that improves drivability and throttle response while requiring minimal tuning. At .541" lift it is designed to work with stock valve springs and converter setups, aiming to deliver stronger torque across the range with a deeper idle character for compatible GM applications.
COMP Cams GM LS3/LS4 HV Series Camshaft LS272PU-12
