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Big Block Chevy Oval Port Tunnel Ram
These tunnel rams are designed for Chevrolet engines. These manifolds are
suitable for racing or in engines where low-end torque is not a consideration.
Operating range is 4000 to 7000 RPM. Manifolds are only available in satin
Big Block Chevy Rectangular Port, Base Only
Big Block Chevy Dual Standard Flange Holley, Top Only