RHS Pro Action LS3 Rectangle Port Cylinder Head; Un-Assembled; 0.570-Inch Max Lift (08-13 6.2L Corvette C6, Excluding ZR1)

Description. RHS Pro Action LS3 rectangle port cylinder heads are premium replacement heads that utilize the same architecture as factory. This means all stock components will fit without modification. These heads feature factory-correct intake manifold alignment slots—ensuring that the intake manifold ports line up properly with the cylinder head ports to avoid power-robbing misalignment. RHS manufactures these heads from premium materials and machines them to the industry's tightest tolerances. They're available in bare, assembled, and complete but unassembled models.

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