The Edelbrock #20654 RPM Dual-Quad manifold and carb kit is designed for Big-Block Chevy Oval-Port applications. A huge hit among street rodders, this Dual-Quad Kits offer the ultimate set-up for anyone who wants the look and the performance of dual-quad carbs. The Edelbrock #20654 includes an Edelbrock RPM or RPM Air-Gap Dual-Quad intake manifold and two 500 cfm Thunder Series AVS carburetors calibrated specifically for dual-quad applications (one manual choke, one electric choke). To make the installation simple, these kits also include our high-tech progressive throttle linkage, Russell fuel inlet, high-quality Edelbrock intake gaskets, intake bolt set and carburetor stud kit. The manifold and Thunder Series carbs are available with a standard satin finish or with our bright EnduraShine chrome-like finish for long lasting show quality looks.