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 finish.

Big Block Chevy Rectangular Port, Base Only

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 finish.

Large Chevy Round Port Dual Carburetor Tunnel Ram - Bottom Only Use with 350-6163 Top

This 360° design tunnel ram has been a performance boaters favorite for over a decade These manifolds come standard in a satin finish but are available polished by special order.

Large Chevy Round Port Dual Carburetor Tunnel Ram - Top Only Use with 350-6161

This 360° design tunnel ram has been a performance boaters favorite for over a decade These manifolds come standard in a satin finish but are available polished by special order.

Large Chevy Square Port Dual Carburetor Tunnel Ram - Bottom Only Use with 350-5906

This 360° design tunnel ram has been a performance boaters favorite for over a decade These manifolds come standard in a satin finish but are available polished by special order.

Large Chevy Square Port Dual Carburetor Tunnel Ram - Top Only Use with 350-5904

This 360° design tunnel ram has been a performance boaters favorite for over a decade These manifolds come standard in a satin finish but are available polished by special order.

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 finish.

Big Block Chevy Dual Standard Flange Holley, Top Only

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 finish.