CHEVROLET OER Exhaust Heat Risers

OER Exhaust Manifold Heat Riser Valves

OER exhaust manifold heat riser valves warm up your cold engine. These original equipment reproductions hasten the warming of your engine to prevent the loss of power and exhaust manifold damage. Replace malfunctioning or frozen valves--fit OER exhaust manifold heat riser valves between your exhaust manifold and headpipe for quicker engine warmups.

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