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The Moroso throttle return spring kit for Chevrolet small-block engines with 18° cylinder heads is a manifold-mount solution that provides replacement return springs sized for that application. It’s intended to restore proper throttle-return tension on small-block installations where manifold mounting is required for correct linkage geometry.
Moroso Chevrolet Small Block Throttle Return Spring Kit - 18 Degree Cylinder Heads - Manifold Mount
